Using OB(O)c1ccc(O)cc1, CC(C)(C)OC(=O)c1ccc(Br)cc1NC(=O)c1ccccc1 to produce CC(C)(C)OC(=O)c1ccc(-c2ccc(O)cc2)cc1NC(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.