Using C[C@H]1CN(S(=O)(=O)c2ccccc2[N+](=O)[O-])CCN1C(=O)[C@@](C)(O)C(F)(F)F to produce C[C@H]1CNCCN1C(=O)[C@@](C)(O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.