Using CC(C)(C)OC(=O)NCC(O)CNC(=O)OC(C)(C)C, O=[N+]([O-])c1ccc(F)cc1O to produce CC(C)(C)OC(=O)NCC(CNC(=O)OC(C)(C)C)Oc1cc(F)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.