Using C[N+](=O)[O-], Cc1cc(C(=O)/C=C(\c2cc(Cl)cc(Cl)c2)C(F)(F)F)ccc1C(=O)OC(C)(C)C to produce Cc1cc(C(=O)C[C@](C[N+](=O)[O-])(c2cc(Cl)cc(Cl)c2)C(F)(F)F)ccc1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.