Using Cn1nc(C(N)=O)c2c1-c1nc(Nc3cc([N+](=O)[O-])ccc3OC(F)(F)F)ncc1CC2 to produce Cn1nc(C(N)=O)c2c1-c1nc(Nc3cc(N)ccc3OC(F)(F)F)ncc1CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.