Using CCN(CCO)c1ccccc1, O=C(c1ccccc1)c1ccc(CBr)cc1 to produce CCN(CCOCc1ccc(C(=O)c2ccccc2)cc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.