Using COc1cc2c(Oc3ccc([N+](=O)[O-])cc3)ccnc2cc1O, O=[N+]([O-])c1ccc(OS(=O)(=O)C(F)(F)F)cc1 to produce COc1cc2c(Oc3ccc([N+](=O)[O-])cc3)ccnc2cc1OS(=O)(=O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.