Using CC1(C)OB(c2cccc(C(=O)OCc3ccccc3)c2)OC1(C)C, CC(C)(C)OC(=O)NCc1ccc(Br)cc1 to produce CC(C)(C)OC(=O)NCc1ccc(-c2cccc(C(=O)O)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.