[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is conjugate base of 5-methylbarbituric acid. It is a conjugate base of a 5-methylbarbituric acid."}, {"from": "gpt", "value": "[C][C][=C][Branch1][O][N][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O][O-1]"}]