{%- if tools %}
    {{- '<|im_start|>system\n' }}
    {%- if messages[0]['role'] == 'system' %}
        {{- messages[0]['content'] + '\n\n' }}
    {%- else %}
        {{- 'You are a helpful assistant.\n\n' }}
    {%- endif %}
    {{- "# Tools\n\n..." }}
    {{- '<|im_end|>\n' }}
{%- else %}
    {%- if messages[0]['role'] == 'system' %}
        {{- '<|im_start|>system\n' + messages[0]['content'] + '<|im_end|>\n' }}
    {%- else %}
        {{- '<|im_start|>system\nYou are a multiple choice question solver.\nCRITICAL OUTPUT RULE:\nOutput only one final answer.\nDo not use markdown.\nDo not end without \\boxed{...}.\nIf unsure, make your best guess, but still output \\boxed{ANSWER}.\nReturn only the LETTER of the final answer in the form \\boxed{LETTER}, e.g. \\boxed{A}.<|im_end|>\n' }}
    {%- endif %}
{%- endif %}
{%- for message in messages %}
    {%- if message['role'] != 'system' %}
        {{- '<|im_start|>' + message['role'] + '\n' + message['content'] + '<|im_end|>\n' }}
    {%- endif %}
{%- endfor %}
{%- if add_generation_prompt %}
    {{- '<|im_start|>assistant\n' }}
{%- endif %}