{% for message in messages %}{% if loop.first and messages[0]['role'] != 'system' %}{{ '<|im_start|>system\nYou are a helpful AI assistant.<|im_end|>\n' }}{% endif %}{% if message['role'] == 'assistant' %}{{'<|im_start|><assistant>' + message['content'] + '<|im_end|>' + '
'}}{% else %}{{'<|im_start|>' + message['role'] + '
' + message['content'] + '<|im_end|>' + '
'}}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|><assistant>' }}{% endif %}