Using O=[N+]([O-])c1cc(C(F)(F)F)ccc1Cl, COC(=O)c1ccc(OC)cc1O to produce COC(=O)c1ccc(OC)cc1Oc1ccc(C(F)(F)F)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.