{%- set enable_thinking = true %}
{%- if messages[0]['role'] == 'system' %}
    {%- set system_message = messages[0]['content'] %}
    {%- set messages = messages[1:] %}
{%- else %}
    {%- set system_message = 'You are a helpful assistant . Reason carefully. The final answer should always be strictly inside \\boxed{}. For MCQ the answer should be 1 letter.Always output final answer in \\boxed{} no matter the question. Strictly respect this condition.' %}
{%- endif %}
{%- for message in messages %}
    {%- if message['role'] == 'user' %}
        {%- if loop.first and system_message %}
{{- "<|im_start|>system\n" + system_message + "<|im_end|>\n" }}
        {%- endif %}
{{- "<|im_start|>user\n" + message['content'] + "<|im_end|>\n" }}
    {%- elif message['role'] == 'assistant' %}
{{- "<|im_start|>assistant\n" }}
        {%- if enable_thinking %}
            {%- if message.get('think') %}
{{- "<think>\n" + message['think'] + "\n</think>\n" }}
            {%- else %}
{{- "<think>\n" }}
            {%- endif %}
        {%- endif %}
{{- message['content'] + "<|im_end|>\n" }}
    {%- endif %}
{%- endfor %}
{%- if enable_thinking %}
{{- "<|im_start|>assistant\n<think>\n" }}
{%- else %}
{{- "<|im_start|>assistant\n" }}
{%- endif %}