[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][N][C][=C][Branch2][Ring1][=Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][=Branch1][=C][C][=C][Ring1][Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a naphthalene-1,5-disulfonic acid with an acetamido group at the 2-position. It has a role as an epitope."}]