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