special_tokens_map.json

{"eos_token": "<eos>", "unk_token": "[UNK]", "sep_token": "[SEP]", "pad_token": "<pad>", "cls_token": "[CLS]", "mask_token": "[MASK]", "additional_special_tokens": ["<BELIEF>", "<SLOT>", "<SLOT_NAME", "<SLOT_VALUE>"]}