[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Tanacetum vulgare, Ajania fastigiata, and Tanacetum bipinnatum with data available."}, {"from": "gpt", "value": "[C][C@@][Branch1][P][C][C][C][=Branch1][C][=O][C][Branch1][Ring2][O][Ring1][#Branch1][Branch1][C][C][C][C][=C]"}]