[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Stephania cephalantha and Stephania yunnanensis with data available."}, {"from": "gpt", "value": "[C][N][C][C][C][C][C][=Branch1][C][=O][C][=Branch2][Ring1][S][=C][Branch2][Ring1][#Branch2][C][Ring1][#Branch1][C][Ring1][O][C][C][=C][C][=Branch1][N][=C][Branch1][#Branch1][C][=C][Ring1][#C][Ring1][=Branch1][O][C][O][C][O][C][O][C]"}]