['CCCCS(N)(=O)=O', 'Cc1ccc(-n2ccnc2C)c(F)c1', 'CCCC[SH](=O)=O', 'Cc1nccn1-c1ccc(CN)cc1F', 'CCCCS(=O)(=O)NC', 'Cc1nccn1-c1ccccc1F', 'Cc1ncc[nH]1', 'CCCCS(=O)(=O)NCc1cccc(F)c1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is c1ccc(-n2ccnc2)cc1.