Using CCOC(=O)CBr, CCCN(CCC)CCCCNCc1ccc(C#N)cc1 to produce CCCN(CCC)CCCCN(CC(=O)OCC)Cc1ccc(C#N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.