['CC(C)(C)O', 'CCN1CCN(S(=O)(=O)N2CC(C)OC(C)C2)CC1', 'CC(C)C', 'CC1CN(S(=O)(=O)N2CCN(CCO)CC2)CC(C)O1', 'CCOC(C)(C)C', 'CC1CN(S(=O)(=O)N2CCNCC2)CC(C)O1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=S(=O)(N1CCNCC1)N1CCOCC1.