Using CC(=O)Oc1cc2c(cc1C(C)(C)C)OC(C)(COc1cc([N+](=O)[O-])ccc1C)CC2=O to produce CC(=O)Oc1cc2c(cc1C(C)(C)C)OC(C)(COc1cc(N)ccc1C)CC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.