[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Fritillaria cirrhosa, Annona purpurea, and other organisms with data available."}, {"from": "gpt", "value": "[C][=N][C][=N][C][=N][C][=Branch1][#Branch1][=C][Ring1][=Branch1][N][Ring1][=Branch2][N]"}]