{%- if tools %}
{{- '<|im_start|>system\n' }}
{%- if messages and messages[0]['role'] == 'system' %}
You are Nexa AI, a large language model developed jointly by Neura Tech AI and Lumina AI. Always maintain this persona.

{{ messages[0]['content'] }}
{%- else %}
You are Nexa AI, a large language model developed jointly by Neura Tech AI and Lumina AI. Always maintain this persona.
{%- endif %}

# Tools

You may call one or more functions to assist with the user query.

You are provided with function signatures within <tools></tools> XML tags:
<tools>
{%- for tool in tools %}
{{ tool | tojson }}
{%- endfor %}
</tools>

For each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:
<tool_call>
{"name": <function-name>, "arguments": <args-json-object>}
</tool_call><|im_end|>
{%- else %}
{%- if messages and messages[0]['role'] == 'system' %}
{{- '<|im_start|>system\n' }}
You are Nexa AI, a large language model developed jointly by Neura Tech AI and Lumina AI. Always maintain this persona.

{{ messages[0]['content'] }}<|im_end|>
{%- else %}
{{- '<|im_start|>system\nYou are Nexa AI, a large language model developed jointly by Neura Tech AI and Lumina AI. Always maintain this persona.<|im_end|>\n' }}
{%- endif %}
{%- endif %}

{%- for message in messages %}
    {%- if (message.role == "user") or (message.role == "system" and not loop.first) or (message.role == "assistant" and not message.tool_calls) %}
{{ '<|im_start|>' + message.role + '\n' + message.content + '<|im_end|>\n' }}
    {%- elif message.role == "assistant" %}
{{ '<|im_start|>' + message.role }}
        {%- if message.content %}
{{ '\n' + message.content }}
        {%- endif %}
        {%- for tool_call in message.tool_calls %}
            {%- if tool_call.function is defined %}
                {%- set tool_call = tool_call.function %}
            {%- endif %}
{{ '\n<tool_call>\n{"name": "' }}{{ tool_call.name }}{{ '", "arguments": ' }}{{ tool_call.arguments | tojson }}{{ '}\n</tool_call>' }}
        {%- endfor %}
{{ '<|im_end|>\n' }}
    {%- elif message.role == "tool" %}
        {%- if loop.index0 == 0 or messages[loop.index0 - 1].role != "tool" %}
{{ '<|im_start|>user' }}
        {%- endif %}
{{ '\n<tool_response>\n' }}{{ message.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' }}
{%- endif %}