Using Cc1nc2cnc3ccccc3c2n1NC(C)C, O=C(OO)c1cccc(Cl)c1 to produce Cc1nc2c[n+]([O-])c3ccccc3c2n1NC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.