Using CCCN(CCC)CCCCNc1ccccc1, N#Cc1ccc(CBr)cc1 to produce CCCN(CCC)CCCCN(Cc1ccc(C#N)cc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.