[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch2][Ring1][Ring1][C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid. It is a conjugate acid of a homocitrate(1-)."}]