Using BrCc1ccccc1, COC(=O)[C@@H](O)Cc1ccc(Br)cc1 to produce COC(=O)[C@H](Cc1ccc(Br)cc1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.