Using COc1c(NS(C)(=O)=O)cc(C(C)(C)C)cc1[N+](=O)[O-] to produce COc1c(N)cc(C(C)(C)C)cc1NS(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.