[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a member of barbiturates."}, {"from": "gpt", "value": "[C][=C][S][C][=Branch1][Ring2][=C][Ring1][Branch1][/C][=C][\\C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][Branch1][Branch1][C][/-Ring1][Branch2][=O][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][F]"}]