{{ bos_token }}{% if messages[0]['role'] == 'system' %}{{'user ' + messages[0]['content'] | trim + ' ' + messages[1]['content'] | trim + ' '}}{% set messages = messages[2:] %}{% endif %}{% for message in messages %}{% if message['role'] == 'user' %}{{'user ' + message['content'] | trim + ' '}}{% elif message['role'] == 'assistant' %}{{'model ' + message['content'] | trim + ' ' }}{% else %}{{ raise_exception('Only user and assistant roles are supported!') }}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ 'model ' }}{% endif %}