Using CCCCCCCCCCCCOc1ccc(S(C)(=O)=O)cc1[N+](=O)[O-] to produce CCCCCCCCCCCCOc1ccc(S(C)(=O)=O)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.