Using O=C(Nc1cc(C(F)(F)F)cc(C(F)(F)F)c1)c1cc([N+](=O)[O-])ccc1O to produce Nc1ccc(O)c(C(=O)Nc2cc(C(F)(F)F)cc(C(F)(F)F)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.