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