Using O=[N+]([O-])c1cccc2c(Oc3cccc(C(F)(F)F)c3)ccnc12 to produce Nc1cccc2c(Oc3cccc(C(F)(F)F)c3)ccnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.