['CC1(CS(C)(=O)=O)CC1', 'C1COCC2(CCOC2)N1', 'CS(C)(=O)=O', 'C1CN(CC2CC2)C2(CCOC2)CO1', 'CS(=O)(=O)CC1CC1', 'CN1CCOCC12CCOC2']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is C1CN(CC2CC2)C2(CCOC2)CO1.