[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Alstonia angustiloba and Alstonia scholaris with data available."}, {"from": "gpt", "value": "[C][/C][=C][/C][=N+1][C][C][C][=C][Branch2][Ring1][Ring1][C@@H1][Ring1][=Branch1][C][C@@H1][\\-Ring1][#Branch2][C][=Branch1][Ring1][=C][O][C][=Branch1][C][=O][O][C][N][C][=C][C][=C][C][=C][Ring2][Ring1][Ring1][Ring1][=Branch1]"}]