Using O=[N+]([O-])c1ccc(Oc2ccc(Cl)c(C(F)(F)F)c2)cn1 to produce Nc1ccc(Oc2ccc(Cl)c(C(F)(F)F)c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.