Using CC(=O)OCCOc1ccc(COC(C)=O)nc1, O=C(OO)c1cccc(Cl)c1 to produce CC(=O)OCCOc1ccc(COC(C)=O)[n+]([O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.