Using NC(=O)c1cc(I)sc1NC(=O)OCc1ccccc1, OB(O)c1ccc(F)cc1F to produce NC(=O)c1cc(-c2ccc(F)cc2F)sc1NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.