[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][N][C][=Branch1][C][=O][/C][=C][/C][=Branch1][C][=O][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 4,6-dioxohept-2-enedioic acid that is pyruvic acid substituted at position 3 by a fumaryl group. It is a 4,6-dioxohept-2-enedioic acid and a beta-diketone. It is functionally related to a pyruvic acid. It is a conjugate acid of a 3-fumarylpyruvate(2-)."}]