[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Achillea millefolium, Artemisia lancea, and other organisms with data available."}, {"from": "gpt", "value": "[C][C@][C@H1][Branch1][Ring2][O][Ring1][Ring1][C][C@@H1][C@H1][Ring1][=Branch1][C@@H1][C@@H1][Branch1][#Branch1][C][C][C][Ring1][#Branch1][=C][C][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][O]"}]