[{"from": "human", "value": "Describe this molecule. [C][/C][=Branch1][#C][=C][Branch1][#Branch1][\\C][C][=Branch1][C][=O][O-1][/C][=Branch1][C][=O][O-1][/C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is tricarboxylate anion of (2Z)-but-2-ene-1,2,3-tricarboxylic acid; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a (Z)-but-2-ene-1,2,3-tricarboxylic acid."}]