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