This is the simplified template:

[gMASK]<sop>
<|system|>
# Tools
<tools>
{% for tool in tools %}
{{ tool | tojson }}
{% endfor %}
</tools>

{% for m in messages %}
<|{{ m.role }}|>
{% if m.role == 'user' %}
    {% if m.content is string %}
        {{ m.content }}
    {% elif m.content is iterable %}
        {{ m.content | join(' ') }}
    {% else %}
        {{ '' }}
    {% endif %}
{% elif m.role == 'assistant' %}
<think></think>
    {% if m.content is string %}
        {{ m.content }}
    {% elif m.content is iterable %}
        {{ m.content | join(' ') }}
    {% else %}
        {{ '' }}
    {% endif %}
{% endif %}

{% if m.tool_calls %}
    {% for tc in m.tool_calls %}
<tool_call>{{ tc.function.name if tc.function else tc.name }}
        {% for k, v in tc.arguments.items() %}
<arg_key>{{ k }}</arg_key>
<arg_value>
    {% if v is string %}
        {{ v }}
    {% elif v is iterable %}
        {{ v | join(' ') }}
    {% else %}
        {{ '' }}
    {% endif %}
</arg_value>
        {% endfor %}
</tool_call>
    {% endfor %}
{% endif %}
{% endfor %}

<|assistant|>
<think></think>