[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a natural product found in Senecio lividus, Senecio nebrodensis, and Senecio squalidus with data available."}, {"from": "gpt", "value": "[C][C][/C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][O][/C]"}]