[{"from": "human", "value": "Describe 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 and a beta-diketone. It is a conjugate acid of a 3-maleylpyruvate(2-)."}]