special_tokens_map.json

{
  "additional_special_tokens": [
    "N_00",
    "N_01",
    "N_02",
    "N_03",
    "N_04",
    "N_05",
    "N_06",
    "N_07",
    "N_08",
    "N_09"
  ],
  "cls_token": "[CLS]",
  "mask_token": "[MASK]",
  "pad_token": "[PAD]",
  "sep_token": "[SEP]",
  "unk_token": "[UNK]"
}