Using CC(=O)OC(C)=O, CC(=O)Oc1ccc(C(CN(C(C)=O)C(C)(C)C)OC(C)=O)[n+]([O-])c1C to produce CC(=O)OCc1nc(C(CN(C(C)=O)C(C)(C)C)OC(C)=O)ccc1OC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.