Using CC(C)(C)OC(=O)N1CCCN(c2cc(-c3cccc(C(F)(F)F)c3)nc(S(C)(=O)=O)n2)CC1, [C-]#N to produce CC(C)(C)OC(=O)N1CCCN(c2cc(-c3cccc(C(F)(F)F)c3)nc(C#N)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.