[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a barbiturate that is widely used as a sedative and an antiseizure medication. Phenobarbital has been linked to rare instances of idiosyncratic liver injury that can be severe and even fatal."}, {"from": "gpt", "value": "[C][C][C][Branch1][#C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][C][Ring1][Branch2][=O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]