Using [O-][I+3]([O-])([O-])O, CCOC(=O)C1=Cc2ccc(OC)cc2OC1C(F)(F)F to produce CCOC(=O)C1=Cc2cc(I)c(OC)cc2OC1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.