Using CCOC(=O)C(C(=O)OCC)C(=O)c1cc(Oc2ccc(F)cc2F)c([N+](=O)[O-])cc1C to produce CC(=O)c1cc(Oc2ccc(F)cc2F)c([N+](=O)[O-])cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.