Using COC(=O)c1sc2cnc(S(C)(=O)=O)nc2c1OS(=O)(=O)C(F)(F)F, OB(O)c1ccccc1 to produce COC(=O)c1sc2cnc(S(C)(=O)=O)nc2c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.