special_tokens_map.json

{
    "bos_token": "<|start|>",
    "eos_token": "<|end|>",
    "pad_token": "<|pad|>",
    "unk_token": "<|unk|>",
    "mask_token": "<|mask|>",
    "sep_token": "<|sep|>",
    "additional_special_tokens": [
      "<|system|>",
      "<|user|>",
      "<|assistant|>"
    ]
  }