[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Heterostemma brownii with data available."}, {"from": "gpt", "value": "[C][N][C][=N][C][=C][Branch1][=Branch2][C][=Branch1][Ring2][=N][Ring1][=Branch1][O][C][N][Branch1][=Branch1][C][=N+1][Ring1][=Branch2][C][C]"}]