Using O=C(O)C(F)(F)S(=O)(=O)F, Cc1nc(O)ccc1[N+](=O)[O-] to produce Cc1nc(OC(F)F)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.