Using N#Cc1cc(Cl)cc(Oc2c(Cl)ccc3[nH]nnc23)c1, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)Cn1nnc2c(Oc3cc(Cl)cc(C#N)c3)c(Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.