[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch1][O][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a doubly-charged sulfonatobenzoate consisting of benzoate having a sufonato group at the 4-position. It is functionally related to a benzoate. It is a conjugate base of a 4-sulfobenzoic acid."}]