['CN(CCC#N)S(N)(=O)=O', 'Cc1ccc(-n2ccnc2C)c(F)c1', 'CCC#N', 'CNS(=O)(=O)NCc1ccc(-n2ccnc2C)c(F)c1', 'CNS(=O)(=O)N(C)CCC#N', 'Cc1nccn1-c1ccccc1F', 'Cc1ncc[nH]1', 'CN(CCC#N)S(=O)(=O)NCc1cccc(F)c1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccc(-n2ccnc2)cc1.