Using BrCc1ccccc1, CC(C)(C)OC(=O)N[C@@H]1CC[C@H](CO)C1 to produce CC(C)(C)OC(=O)N[C@@H]1CC[C@H](COCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.