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