Using Nc1ccc(CC2CCCCC(=O)N2)cc1OCc1ccccc1, COC(=O)CBr to produce COC(=O)CNc1ccc(CC2CCCCC(=O)N2)cc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.