[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Centaurea uniflora, Pleiotaxis rugosa, and other organisms with data available."}, {"from": "gpt", "value": "[C][=C][C][C@@H1][Branch2][Ring1][=C][C@@H1][C@@H1][Branch1][P][C@@H1][C@H1][Ring1][#Branch1][C][C@@H1][Branch1][Branch2][C@][Ring1][Branch1][C][O][Ring1][Ring1][O][O][C][=Branch1][C][=O][C][Ring1][=C][=C][O][C][=Branch1][C][=O][C][=Branch1][C][=C][C][O]"}]