[{"from": "human", "value": "Provide a description of this molecule. [H+1].[C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid monoanion that is the conjugate base of 4-hydroxy-2-oxoglutaric acid resulting from partial deprotonation. It is functionally related to a glutarate(1-). It is a conjugate base of a 4-hydroxy-2-oxoglutaric acid. It is a conjugate acid of a 4-hydroxy-2-oxoglutarate(2-)."}]