[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch2][Ring1][Ring2][C@H1][Branch1][N][/C][=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 obtained by deprotonation of the three carboxy groups of (2R,3E)-5-oxopent-3-ene-1,2,5-tricarboxylic acid; major species at pH 7.3. It is a conjugate base of a (2R,3E)-5-oxopent-3-ene-1,2,5-tricarboxylic acid."}]