['Nc1ccc(Cl)c(C(F)(F)F)c1', 'O=CCCNS(=O)(=O)/C=C/c1ccccc1', 'NS(=O)(=O)/C=C/c1ccccc1', 'CCC(=O)Nc1ccc(Cl)c(C(F)(F)F)c1', 'O=[SH](=O)/C=C/c1ccccc1', 'NCCC(=O)Nc1ccc(Cl)c(C(F)(F)F)c1', 'FC(F)(F)c1ccccc1Cl', 'NC(=O)CCNS(=O)(=O)/C=C/c1ccccc1', 'FC(F)F', 'O=C(CCNS(=O)(=O)/C=C/c1ccccc1)Nc1ccc(Cl)cc1']
The Murcko scaffold (minmal number of connected rings) of <smiles></smiles> is O=C(CCNS(=O)(=O)/C=C/c1ccccc1)Nc1ccccc1.