[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Achillea collina with data available."}, {"from": "gpt", "value": "[C][C@H1][C@@H1][C@H1][Branch2][Ring1][#C][C][C][=Branch2][Ring1][=Branch2][=C][C][=Branch1][C][=O][C][=C][Branch1][#C][C@@][Ring1][=Branch1][Branch1][=Branch2][C@H1][Ring1][O][O][C][Ring1][=C][=O][O][C][C][O][C][=Branch1][C][=O][C]"}]