[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid trianion obtained by deprotonation of the carboxy groups of 1,1,1-propanetricarboxylic acid. It is a conjugate base of a 1,1,1-propanetricarboxylic acid."}]