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