Using CCOC(=O)C(Cc1ccc([N+](=O)[O-])c(C)c1)C(=O)C(F)(F)F, NN to produce Cc1cc(CC2C(=O)NN=C2C(F)(F)F)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.