Using COC(=O)[C@H]1CC[C@H](NS(=O)(=O)c2ccc(Cl)c([N+](=O)[O-])c2)CC1 to produce COC(=O)[C@H]1CC[C@H](NS(=O)(=O)c2ccc(Cl)c(N)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.