Using COC(=O)c1ccccc1C(=O)N1CC(NS(=O)(=O)c2ccccc2[N+](=O)[O-])CO1 to produce COC(=O)c1ccccc1C(=O)N1CC(N)CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.