[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Nostoc commune, Nostoc carneum, and Nostoc spongiaeforme with data available."}, {"from": "gpt", "value": "[C][N][C][=N][N][C][=Branch1][C][=O][C][Ring1][=Branch1][=N][C][=N][Ring1][#Branch2]"}]