Using COC(=O)CC(C)CC(=O)Nc1ccc(C#N)cc1, BrCc1ccccc1 to produce COC(=O)CC(C)CC(=O)N(Cc1ccccc1)c1ccc(C#N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.