['CCOCC(C)N', 'NS(=O)(=O)c1ccc(Cl)c(C=O)c1', 'CC', 'CC(CO)NC(=O)c1cc(S(N)(=O)=O)ccc1Cl', 'CCO', 'CC(C)NC(=O)c1cc(S(N)(=O)=O)ccc1Cl', 'CCCOCC', 'NC(=O)c1cc(S(N)(=O)=O)ccc1Cl', 'CCOCC(C)NC=O', 'NS(=O)(=O)c1ccc(Cl)cc1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccccc1.