[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Tanacetum vulgare, Pimenta racemosa, and Umbellularia californica with data available."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][C][=O][C@@][Branch1][#Branch1][C@H1][Ring1][=Branch1][C][Ring1][Ring1][C][Branch1][C][C][C]"}]