Using O=C(CBr)N[C@@H]1CCN(Cc2ccccc2)C1, COc1cc(O)ccc1C=O to produce COc1cc(OCC(=O)N[C@@H]2CCN(Cc3ccccc3)C2)ccc1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.