Using [I-], CC(=O)OC(CCCOS(=O)(=O)c1ccc(C)cc1)COc1cccc(C(F)(F)F)c1 to produce CC(=O)OC(CCCI)COc1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.