Using Fc1ccc(Br)c(F)c1, CCN(CC)CCN1C(=O)C(=O)c2c1cc(I)cc2C(F)(F)F to produce CCN(CC)CCN1C(=O)C(O)(c2ccc(F)cc2F)c2c1cc(I)cc2C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.