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