[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Alstonia angustifolia and Alstonia macrophylla with data available."}, {"from": "gpt", "value": "[C][C][=C][C][N][C][C][C][C][Ring1][Branch1][Branch1][#C][C][C][C][Ring1][#Branch2][C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][N][Branch1][#C][C][=C][Ring1][=N][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C]"}]