[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is tricarboxylate anion of of (2E)-but-2-ene-1,2,3-tricarboxylic acid. It is a conjugate base of a (2E)-but-2-ene-1,2,3-tricarboxylic acid."}, {"from": "gpt", "value": "[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]"}]