Using CN(C)C=O, Cc1ccc(SC(c2cnc(Br)cc2C)c2cc(F)ccc2F)cc1 to produce Cc1ccc(SC(c2cnc(C=O)cc2C)c2cc(F)ccc2F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.