Using COCc1nc2cnc3ccc(OCc4ccccc4)cc3c2n1CC(C)C, O=C(OO)c1cccc(Cl)c1 to produce COCc1nc2c[n+]([O-])c3ccc(OCc4ccccc4)cc3c2n1CC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.