{%- set fixed_system_prompt = "You are a helpful, conversational assistant tasked with answering a question about an image.\n\nYour response must include two parts:\n\n1. **Reasoning**: A detailed, free-flowing chain of thought enclosed in `<think>` and `</think>` tags.\n2. **Final Answer**: A clear, conversational response enclosed in `<answer>` and `</answer>` tags, using \\boxed{} notation when the question has a definitive answer.\n\n---\n\n### Reasoning Instructions\n\n* The reasoning section must be inside `<think>` \u2026 `</think>` tags.\n* The reasoning should resemble a stream of consciousness: explore, test hypotheses, backtrack if necessary, reflect, and refine.\n* Let the reasoning flow naturally while progressing toward a conclusion.\n* Use reasoning strategies such as:\n  * **Planning** \u2013 outline possible approaches before committing.\n  * **Exploration** \u2013 consider multiple image regions or interpretations, even unlikely ones.\n  * **Evaluation** \u2013 compare alternatives and verify against visual evidence.\n  * **Reflection** \u2013 revisit earlier ideas if they may still be viable.\n* Thoroughly examine and cross-check relevant image regions before narrowing down.\n* If the image is ambiguous, make a reasonable inference based on visual and contextual cues.\n* End the reasoning once you are confident in the conclusion.\n\n---\n\n### Final Answer Instructions\n\n* The answer section must be enclosed in `<answer>` \u2026 `</answer>` tags.\n* The `<answer>` section should stand on its own as a response to the user: it must provide necessary context and justification so that a reader can understand and verify the conclusion without reading `<think>`.\n  - Do NOT refer to the `<think>` section (avoid phrases like \u201cas explained above\u201d or \u201cfrom the reasoning\u201d).\n* Boxed result:\n    * If the question has a definitive, concise answer (a number, word, phrase, or label), include a conversational, natural response followed by exactly one boxed result using LaTeX: \\boxed{final_result}.\n    * If the question is open-ended, subjective, or does not yield a concise final result, omit the boxed notation.\n\n---\n\n### Format Example\n\n```\n<think>\nDetailed reasoning goes here...\n</think>\n<answer>\nSelf-contained response goes here...\nFollowing the response, if a concise final result exists, include: \\boxed{final_result}. If open-ended or no concise result, respond naturally without \\boxed.\n</answer>\n```" %}
{%- set image_count = namespace(value=0) %}
{%- set video_count = namespace(value=0) %}
{%- macro render_content(content, do_vision_count) %}
    {%- if content is string %}
        {{- content }}
    {%- else %}
        {%- for item in content %}
            {%- if 'image' in item or 'image_url' in item or item.type == 'image' %}
                {%- if do_vision_count %}
                    {%- set image_count.value = image_count.value + 1 %}
                {%- endif %}
                {%- if add_vision_id %}Picture {{ image_count.value }}: {% endif -%}
                <|vision_start|><|image_pad|><|vision_end|>
            {%- elif 'video' in item or item.type == 'video' %}
                {%- if do_vision_count %}
                    {%- set video_count.value = video_count.value + 1 %}
                {%- endif %}
                {%- if add_vision_id %}Video {{ video_count.value }}: {% endif -%}
                <|vision_start|><|video_pad|><|vision_end|>
            {%- elif 'text' in item %}
                {{- item.text }}
            {%- endif %}
        {%- endfor %}
    {%- endif %}
{%- endmacro %}
{%- if tools %}
    {{- '<|im_start|>system\n' }}
    {%- if true %}
        {{- fixed_system_prompt + '\n\n' }}
    {%- endif %}
    {{- "# Tools\n\nYou may call one or more functions to assist with the user query.\n\nYou are provided with function signatures within <tools></tools> XML tags:\n<tools>" }}
    {%- for tool in tools %}
        {{- "\n" }}
        {{- tool | tojson }}
    {%- endfor %}
    {{- "\n</tools>\n\nFor each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:\n<tool_call>\n{\"name\": <function-name>, \"arguments\": <args-json-object>}\n</tool_call><|im_end|>\n" }}
{%- else %}
    {%- if true %}
        {{- '<|im_start|>system\n' + fixed_system_prompt + '<|im_end|>\n' }}
    {%- endif %}
{%- endif %}
{%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %}
{%- for message in messages[::-1] %}
    {%- set index = (messages|length - 1) - loop.index0 %}
    {%- if ns.multi_step_tool and message.role == "user" %}
        {%- set content = render_content(message.content, false) %}
        {%- if not(content.startswith('<tool_response>') and content.endswith('</tool_response>')) %}
            {%- set ns.multi_step_tool = false %}
            {%- set ns.last_query_index = index %}
        {%- endif %}
    {%- endif %}
{%- endfor %}
{%- for message in messages %}
    {%- set content = render_content(message.content, True) %}
    {%- if (message.role == "user") or (message.role == "system" and not loop.first) %}
        {{- '<|im_start|>' + message.role + '\n' + content + '<|im_end|>' + '\n' }}
    {%- elif message.role == "assistant" %}
        {%- set reasoning_content = '' %}
        {%- if message.reasoning_content is string %}
            {%- set reasoning_content = message.reasoning_content %}
        {%- else %}
            {%- if '</think>' in content %}
                {%- set reasoning_content = content.split('</think>')[0].rstrip('\n').split('<think>')[-1].lstrip('\n') %}
                {%- set content = content.split('</think>')[-1].lstrip('\n') %}
            {%- endif %}
        {%- endif %}
        {%- if loop.index0 > ns.last_query_index %}
            {%- if loop.last or (not loop.last and reasoning_content) %}
                {{- '<|im_start|>' + message.role + '\n<think>\n' + reasoning_content.strip('\n') + '\n</think>\n\n' + content.lstrip('\n') }}
            {%- else %}
                {{- '<|im_start|>' + message.role + '\n' + content }}
            {%- endif %}
        {%- else %}
            {{- '<|im_start|>' + message.role + '\n' + content }}
        {%- endif %}
        {%- if message.tool_calls %}
            {%- for tool_call in message.tool_calls %}
                {%- if (loop.first and content) or (not loop.first) %}
                    {{- '\n' }}
                {%- endif %}
                {%- if tool_call.function %}
                    {%- set tool_call = tool_call.function %}
                {%- endif %}
                {{- '<tool_call>\n{"name": "' }}
                {{- tool_call.name }}
                {{- '", "arguments": ' }}
                {%- if tool_call.arguments is string %}
                    {{- tool_call.arguments }}
                {%- else %}
                    {{- tool_call.arguments | tojson }}
                {%- endif %}
                {{- '}\n</tool_call>' }}
            {%- endfor %}
        {%- endif %}
        {{- '<|im_end|>\n' }}
    {%- elif message.role == "tool" %}
        {%- if loop.first or (messages[loop.index0 - 1].role != "tool") %}
            {{- '<|im_start|>user' }}
        {%- endif %}
        {{- '\n<tool_response>\n' }}
        {{- content }}
        {{- '\n</tool_response>' }}
        {%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
            {{- '<|im_end|>\n' }}
        {%- endif %}
    {%- endif %}
{%- endfor %}
{%- if add_generation_prompt %}
    {{- '<|im_start|>assistant\n<think>\n' }}
{%- endif %}