[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][S][S][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion resulting from the deprotonation of both of the carboxy groups of 4,4'-disulfanyldibutanoic acid. It is a conjugate base of a 4,4'-disulfanyldibutanoic acid."}]