['CC', 'CNCc1cccc(CNS(C)(=O)=O)c1', 'CCNC', 'Cc1cccc(CNS(C)(=O)=O)c1', 'CS(N)(=O)=O', 'CCN(C)Cc1cccc(C)c1', 'C[SH](=O)=O', 'CCN(C)Cc1cccc(CN)c1', 'CCN(C)C', 'CS(=O)(=O)NCc1ccccc1', 'CNS(C)(=O)=O', 'CCN(C)Cc1ccccc1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccccc1.