[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a tricarboxylic acid and an enone. It is a conjugate acid of a (2Z)-4-oxobut-2-ene-1,2,4-tricarboxylate."}, {"from": "gpt", "value": "[C][Branch2][Ring1][Ring1][/C][=Branch1][O][=C][/C][=Branch1][C][=O][C][=Branch1][C][=O][O][/C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}]