{% if messages[0]['role'] == 'system' %}{% set system_message = messages[0]['content'] %}{{ '<s>system\n' + system_message + '</s>\n' }}{% else %}{{ '<s>system\nYou are MiniMind, a helpful AI assistant.</s>\n' }}{% endif %}{% for message in messages %}{% set content = message['content'] %}{% if message['role'] == 'user' %}{{ '<s>user\n' + content + '</s>\n<s>assistant\n' }}{% elif message['role'] == 'assistant' %}{{ content + '</s>' + '\n' }}{% endif %}{% endfor %}