Using CC(C)(C#N)c1c(Cl)cccc1Cl, Nc1ccc(Br)cc1F to produce CC(C)(C(=N)Nc1ccc(Br)cc1F)c1c(Cl)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.