Using COc1ccc(-c2cc3ccc(OC)cc3n2S(=O)(=O)c2ccccc2)c([N+](=O)[O-])c1 to produce COc1ccc(-c2cc3ccc(OC)cc3[nH]2)c([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.