[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Alstonia rostrata with data available."}, {"from": "gpt", "value": "[C][C][=C][C][N][Branch2][Ring2][#Branch2][C][C][C][Ring1][=Branch1][C][Branch2][Ring1][#Branch1][C][C][Ring1][=Branch1][Branch1][N][N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2][O][C][C][Ring1][N][Branch1][Ring1][C][O][C][=Branch1][C][=O][O][C][C]"}]