Using BrCc1ccc2ccccc2c1, CC(C)(C)OC(=O)N1CCC(c2cccc(Br)c2)C(O)C1 to produce CC(C)(C)OC(=O)N1CCC(c2cccc(Br)c2)C(OCc2ccc3ccccc3c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.