[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a natural product found in Fritillaria thunbergii, Fritillaria walujewii, and other organisms with data available."}, {"from": "gpt", "value": "[C][=N][C][=C][Branch2][Ring1][Branch1][N][Ring1][Branch1][C][C][Branch1][=N][C][Branch1][=Branch2][C][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O][N][=C][Branch1][=Branch1][N][C][Ring1][S][=O][N]"}]