[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Marsypopetalum crassum and Marsypopetalum modestum with data available."}, {"from": "gpt", "value": "[C][C][C@@][Branch2][Ring1][Ring2][C][C@@H1][Branch1][#C][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][O][O][C][Ring1][S][=O]"}]