Using O=[N+]([O-])c1cccc(C(F)(F)F)c1, CC(C)(C)OC(=O)CCl to produce CC(C)(C)OC(=O)Cc1ccc(C(F)(F)F)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.