[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is metabolized to phenobarbital. It has been used for similar purposes, especially in epilepsy, but there is no evidence mephobarbital offers any advantage over phenobarbital."}, {"from": "gpt", "value": "[C][C][C][Branch2][Ring1][C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][Branch1][Branch1][C][Ring1][Branch2][=O][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]