[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Alstonia angustifolia with data available."}, {"from": "gpt", "value": "[C][/C][=C][/C][N][C@H1][C][C@@H1][\\-Ring1][=Branch1][C@H1][Branch2][Ring1][Ring2][C@@H1][Ring1][=Branch1][C][C][=C][Ring1][Branch2][N][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1][C][O]"}]