[{"from": "human", "value": "Describe this molecule. [C][Branch1][#C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid that is glutaric acid in which one of the beta-hydrogens is substituted by a carboxy group. It is a conjugate acid of a tricarballylate."}]