Using COC(=O)c1ccc(C(C)Br)cc1, COc1ccc(COC(=O)Cc2cccc(Br)c2)cc1 to produce COC(=O)c1ccc(C(C)C(C(=O)OCc2ccc(OC)cc2)c2cccc(Br)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.