[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Cenolophium denudatum with data available."}, {"from": "gpt", "value": "[C][C][=C][C][Branch1][N][C][=Branch1][#Branch1][=C][C][Ring1][=Branch1][O][C][C][=O][Branch1][C][C][C]"}]