[{"from": "human", "value": "Could you provide a description of this molecule? [C][O][C][=C][C][=Branch2][Ring1][#Branch2][=C][C][=Branch2][Ring1][Ring1][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][O][O][C][/C][=C][/C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the 4-O-(S)-malate derivative of sinapic acid. It is functionally related to a (S)-malate(2-). It is a conjugate acid of a sinapoyl (S)-malate(2-)."}]