['CC(C)(C)N', 'CN(CC=O)C(=O)c1cnc(C(C)(C)C)s1', 'CNCC(=O)NC(C)(C)C', 'CC(C)(C)c1ncc(C=O)s1', 'CC(=O)NC(C)(C)C', 'CNC(=O)c1cnc(C(C)(C)C)s1', 'CC(C)C', 'CN(CC(N)=O)C(=O)c1cnc(C(C)(C)C)s1', 'CC(C)(C)c1nccs1', 'CN(C=O)CC(=O)NC(C)(C)C', 'CC(C)C', 'CN(CC(=O)NC(C)(C)C)C(=O)c1cncs1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1cscn1.