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