[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Bretschneidera sinensis with data available."}, {"from": "gpt", "value": "[C][N][C][=Branch1][C][=O][C][=C][C][=Branch1][#C][=C][Branch1][#Branch2][C][=C][Ring1][=Branch1][S][C][Ring1][O][=S][O][C][O]"}]