[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch2][Ring1][C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid. It is functionally related to a benzoic acid. It is a conjugate acid of a 2-succinatobenzoate."}]