Using CCOC(=O)C1=C(C)NC(C)=C(C(=O)OCC)C1c1cccnc1, O=C(OO)c1cccc(Cl)c1 to produce CCOC(=O)C1=C(C)NC(C)=C(C(=O)OCC)C1c1ccc[n+]([O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.