Using BrCc1ccccc1, CC(C)(C)OC(=O)N1CCCC(c2cccc(OC(C)(C)C(=O)O)c2)C1 to produce CC(C)(C)OC(=O)N1CCCC(c2cccc(OC(C)(C)C(=O)OCc3ccccc3)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.