Using O=[N+]([O-])c1cc2c(cc1[N+](=O)[O-])OC(CC(F)(F)F)(C(F)(F)F)O2 to produce Nc1cc2c(cc1N)OC(CC(F)(F)F)(C(F)(F)F)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.