[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][C][Ring1][Branch2][=O]"}, {"from": "gpt", "value": "The molecule is a barbiturate, the structure of which is that of perhydropyrimidine substituted at C-2, -4 and -6 by oxo groups. Barbituric acid is the parent compound of barbiturate drugs, although it is not itself pharmacologically active. It has a role as an allergen and a xenobiotic. It is a conjugate acid of a barbiturate, a barbiturate(2-) and a barbiturate(1-)."}]