Using CN(C)C=O, CC(C)(C)ON=c1cc(-c2cc3ccccc3cn2)oc2ccc(Br)cc12 to produce CC(C)(C)ON=c1cc(-c2cc3ccccc3cn2)oc2ccc(C#N)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.