Using COc1ccnc2cc(C(F)(F)F)ccc12, O=C(OO)c1cccc(Cl)c1 to produce COc1cc[n+]([O-])c2cc(C(F)(F)F)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.