Using COc1ccc(-c2cc(-c3ccccn3)nc(-c3cccc(C#N)n3)c2)cc1 to produce COc1ccc(-c2cc(-c3ccccn3)nc(-c3cccc(CN)n3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.