Using N#Cc1cnc(Cl)s1, CC(=O)N1CCN(c2nccc(N)n2)CC1 to produce CC(=O)N1CCN(c2nccc(Nc3ncc(C#N)s3)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.