Using C=Cc1c(N)nc(-c2ccc(Cl)c(OC)c2F)nc1C(=O)OC, [O-][I+3]([O-])([O-])[O-] to produce COC(=O)c1nc(-c2ccc(Cl)c(OC)c2F)nc(N)c1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.