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