Using CC(C)(C)OC(=O)N1CCN(C(=O)c2cc(I)ccc2O)CC1, FC(F)Cl to produce CC(C)(C)OC(=O)N1CCN(C(=O)c2cc(I)ccc2OC(F)F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.