{%- if messages[0].role == 'system' %}
    {{- '<|im_start|>system\n' + messages[0].content + '<|im_end|>\n' }}
{%- endif %}
{%- for message in messages %}
    {%- if message.role == "user" or (message.role == "system" and not loop.first) %}
        {{- '<|im_start|>' + message.role + '\n' + message.content + '<|im_end|>\n' }}
    {%- elif message.role == "assistant" %}
        {{- '<|im_start|>assistant\n' + message.content + '<|im_end|>\n' }}
    {%- endif %}
{%- endfor %}
{%- if add_generation_prompt %}
    {{- '<|im_start|>assistant\n' }}
{%- endif %}