Using COC(=O)c1scnc1N(CC(F)F)S(=O)(=O)Cc1ccccc1I to produce O=S1(=O)C(c2ccccc2I)=C(O)c2scnc2N1CC(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.