Using CC(C)OC(C)C, O=C(O)C=Cc1cc(O)c(O)c([N+](=O)[O-])c1 to produce COC(=O)C=Cc1cc(O)c(O)c([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.