Using CCOC(=O)CC1=NS(=O)(=O)c2c(ccc(O)c2[N+](=O)[O-])N1 to produce CCOC(=O)CC1=NS(=O)(=O)c2c(ccc(O)c2N)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.