[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Pteridium aquilinum with data available."}, {"from": "gpt", "value": "[C][C][C][Branch2][Ring1][S][C][=C][Branch1][Branch1][C][Ring1][Branch1][=O][C][=Branch2][Ring1][Ring1][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][Branch2][C][C][C][O][C][=Branch1][C][=O][C][C][C][O][C][=Branch1][C][=O][C]"}]