[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Tanacetum vulgare, Achillea millefolium, and other organisms with data available."}, {"from": "gpt", "value": "[C][C@@][C][C][C@@H1][Branch1][Branch2][C][Ring1][Branch1][Branch1][C][C][C][C][C@@H1][Ring1][=Branch2][O]"}]