['CC1(CS(C)(=O)=O)CC1', 'c1cc2c(o1)CCCNC2', 'CS(C)(=O)=O', 'c1cc2c(o1)CCCN(CC1CC1)C2', 'CS(=O)(=O)CC1CC1', 'CN1CCCc2occc2C1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1cc2c(o1)CCCN(CC1CC1)C2.