[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Senecio nebrodensis and Senecio brasiliensis with data available."}, {"from": "gpt", "value": "[C][/C][=C][\\C][C@H1][Branch2][Ring2][=Branch1][C@@][Branch2][Ring1][=C][C][=Branch1][C][=O][O][C][C][=C][C][N+1][Branch1][P][C@H1][Ring1][Branch1][C@@H1][Branch1][Branch1][C][C][Ring1][Branch1][O][C][/-Ring2][Ring1][C][=O][O-1][Branch1][C][C][O][C]"}]