Using O=[N+]([O-])c1cnc(Cl)c(C(F)(F)F)c1, CC(C)(C)OC(=O)CC#N to produce CC(C)(C)OC(=O)C(C#N)c1ncc([N+](=O)[O-])cc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.