Using COc1cc(C(=O)ONC(=N)c2ccc3[nH]ccc3c2)ccc1C12CC3CC(CC(C3)C1)C2 to produce COc1cc(-c2nc(-c3ccc4[nH]ccc4c3)no2)ccc1C12CC3CC(CC(C3)C1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.