Using C[C@H](NS(=O)(=O)c1ccccc1[N+](=O)[O-])C(=O)N1CCC[C@H]1C(=O)O to produce C[C@H](NS(=O)(=O)c1ccccc1N)C(=O)N1CCC[C@H]1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.