Using CC(C)(C)OC(=O)N1CCC(C(=O)c2ccc(Cl)c(Cl)c2)C1, BrCc1ccccc1 to produce CC(C)(C)OC(=O)N1CCC(Cc2ccccc2)(C(=O)c2ccc(Cl)c(Cl)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.