Using CNc1cc(-c2cnc(OCCN(C)C(=O)OC(C)(C)C)c(C(F)(F)F)c2)nc(C#N)c1N, O=N[O-] to produce CN(CCOc1ncc(-c2cc3c(nnn3C)c(C#N)n2)cc1C(F)(F)F)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.