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