special_tokens_map.json

{
    "additional_special_tokens": [
        "[ENC]"
    ],
    "bos_token": "[DEC]",
    "cls_token": "[CLS]",
    "mask_token": "[MASK]",
    "pad_token": "[PAD]",
    "eos_token": "[SEP]",
    "sep_token": "[SEP]",
    "unk_token": "[UNK]"
}