[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Schistostephium crataegifolium with data available."}, {"from": "gpt", "value": "[C][C][=Branch2][Ring2][O][=C][C][=Branch1][C][=O][O][C@H1][C@H1][C@H1][Branch2][Ring1][=Branch1][C][C@@][Branch1][P][C@@H1][Ring1][=Branch1][C@@][Branch1][#Branch1][C][C][C@H1][Ring1][=Branch1][O][Branch1][C][C][O][C][O][C][=Branch1][C][=O][C][Ring1][P][=C][C]"}]