[{"from": "human", "value": "Could you provide a description of this molecule? [C][O][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a benzoate ester that is methyl-4-hydroxybenzoate in which the phenolic hydrogen has been replaced by a sulfo group. It is a benzoate ester, a methyl ester and an aryl sulfate. It is functionally related to a 4-hydroxybenzoic acid. It is a conjugate acid of a methyl-4-hydroxybenzoate O-sulfate(1-)."}]