[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Petasites japonicus, Actaea dahurica, and other organisms with data available."}, {"from": "gpt", "value": "[C][=C][C][=Branch2][Branch1][=Branch1][=C][Branch2][Ring2][P][C][=C][Ring1][=Branch1][C][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][Branch2][Ring1][#C][C@@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][/C][=C][/C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][O][O][O]"}]