Using CC(O)S(C)(=O)=O, O=Cc1cc(C(=O)NOCCO)c(Nc2ccc(I)cc2F)c(F)c1F to produce CS(=O)(=O)CCOCc1cc(C(=O)NOCCO)c(Nc2ccc(I)cc2F)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.