[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][=C][Ring1][Branch2][O-1]"}, {"from": "gpt", "value": "The molecule is conjugate base of barbituric acid. It is a conjugate base of a barbituric acid."}]