Using CCOCc1nc2cnc3cccnc3c2n1Cc1ccccc1, O=C(OO)c1cccc(Cl)c1 to produce CCOCc1nc2c[n+]([O-])c3cccnc3c2n1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.