Using COC(=O)c1ccc(C(=O)Nc2n[nH]c3ccc(Cc4cc(F)cc(F)c4)cc23)c([N+](=O)[O-])c1 to produce O=C(O)c1ccc(C(=O)Nc2n[nH]c3ccc(Cc4cc(F)cc(F)c4)cc23)c([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.