Using O=C(c1ccc(Br)cc1)N1CC[C@@H](O)C1, O=C([O-])O to produce CO[C@@H]1CCN(C(=O)c2ccc(Br)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.