[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][Branch1][O][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of 4-hydroxy-2-oxoheptanedioic acid. It is functionally related to a pimelate(2-). It is a conjugate base of a 4-hydroxy-2-oxoheptanedioic acid. It is a tautomer of a 2,4-dihydroxyhept-2-enedioate."}]