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