Using COc1ccc(C(=O)CC(c2cccs2)C(C)(C)[N+](=O)[O-])cc1 to produce COc1ccc(C2=NC(C)(C)C(c3cccs3)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.