Using CCN(CC)CC, CCc1nc(Br)sc1C(=O)NC(C#N)c1cccs1 to produce CCNc1nc(CC)c(C(=O)NC(C#N)c2cccs2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.