Using Cn1ncc([N+](=O)[O-])c1N1CCC(NC(=O)OC(C)(C)C)CC(F)(F)C1 to produce Cn1ncc(N)c1N1CCC(NC(=O)OC(C)(C)C)CC(F)(F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.