Using COCOc1ccc(C(C)(O)C(F)(F)F)nc1, CS(=O)(=O)Cl to produce COCOc1ccc(C(C)(OS(C)(=O)=O)C(F)(F)F)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.