Using CC(=O)OC(C)=O, COC(=O)Cc1cc2ccc(F)cc2c(O)c1I to produce COC(=O)Cc1cc2ccc(F)cc2c(OC(C)=O)c1I, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.