[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Tanacetum vulgare with data available."}, {"from": "gpt", "value": "[C][C][=C][C][Branch1][#Branch2][C@H1][Branch1][Ring2][C][Ring1][Branch1][C][C][O][Branch1][C][C][C]"}]