Using CC(C)(C)OC(=O)Nc1cc(C#N)c(Br)cc1Cl, COc1ccc(CCl)cc1 to produce COc1ccc(CN(C(=O)OC(C)(C)C)c2cc(C#N)c(Br)cc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.