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