Using CN(C)C=O, Cc1cc(SC(c2cnc(Br)cc2C)c2cc(F)ccc2F)ccc1F to produce Cc1cc(SC(c2cnc(C=O)cc2C)c2cc(F)ccc2F)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.