Using N#CNC(=O)Cc1ccccc1, CC(C)CN(CC(=O)N1CCOCC1)C(=O)CBr to produce CC(C)CN(CC(=O)N1CCOCC1)C(=O)CN(C#N)C(=O)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.