Test command-r instruction template

{{-'<|BOS_TOKEN|>'-}}
{%- set ns = namespace(found=false) -%}
{%- for message in messages -%}
    {%- if message['role'] == 'system' -%}
        {%- set ns.found = true -%}
    {%- endif -%}
{%- endfor -%}
{%- for message in messages %}
    {%- if message['role'] == 'system' -%}
        {{- '<|START_OF_TURN_TOKEN|><|SYSTEM_TOKEN|> ' + message['content'].rstrip() + '<|END_OF_TURN_TOKEN|>' -}}
    {%- else -%}
        {%- if message['role'] == 'user' -%}
            {{-'<|START_OF_TURN_TOKEN|><|USER_TOKEN|> ' + message['content'].rstrip() + '<|END_OF_TURN_TOKEN|>'-}}
        {%- else -%}
            {{-'<|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|> ' + message['content'] + '<|END_OF_TURN_TOKEN|>' -}}
        {%- endif -%}
    {%- endif -%}
{%- endfor -%}
{%- if add_generation_prompt -%}
    {{-'<|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|> '-}}
{%- endif -%}