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