['CCOCC(C)N', 'NS(=O)(=O)c1ccc(CC=O)s1', 'CC', 'CC(CO)NC(=O)Cc1ccc(S(N)(=O)=O)s1', 'CCO', 'CC(C)NC(=O)Cc1ccc(S(N)(=O)=O)s1', 'CCCOCC', 'NC(=O)Cc1ccc(S(N)(=O)=O)s1', 'NS(=O)(=O)c1cccs1', 'CCOCC(C)NC(C)=O']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccsc1.