Using CC(C)(C)OC(=O)c1cc(-c2cc(Cl)cc(Cl)c2)n[nH]1, COC(=O)c1ccc(CBr)cc1 to produce COC(=O)c1ccc(Cn2nc(-c3cc(Cl)cc(Cl)c3)cc2C(=O)OC(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.