[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch2][Ring1][Ring1][/C][=Branch1][O][=C][/C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][/C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid trianion resulting from the deprotonation of all three carboxy groups of(2Z)-4-oxobut-2-ene-1,2,4-tricarboxylate, The major species at pH 7.3. It is a conjugate base of a (2Z)-4-oxobut-2-ene-1,2,4-tricarboxylic acid."}]