Using CCc1cc(C(F)(C(F)(F)F)C(F)(F)C(F)(F)F)cc(C)c1NC(=O)c1cccc([N+](=O)[O-])c1F, O=C([O-])[O-] to produce CCc1cc(C(F)(C(F)(F)F)C(F)(F)C(F)(F)F)cc(C)c1NC(=O)c1cccc([N+](=O)[O-])c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.