Using O=[N+]([O-])c1ccc2nc(-c3cnccn3)nc(Nc3cccc(OC(F)F)c3)c2c1 to produce Nc1ccc2nc(-c3cnccn3)nc(Nc3cccc(OC(F)F)c3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.