[{"from": "human", "value": "Generate a molecule based on this description. The molecule is tricarboxylate anion of (3E)-5-oxopent-3-ene-1,2,5-tricarboxylic acid. It is a conjugate base of a (3E)-5-oxopent-3-ene-1,2,5-tricarboxylic acid."}, {"from": "gpt", "value": "[C][Branch2][Ring1][Ring2][C][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]"}]