Using CS(=O)(=O)OCC1COc2c(F)ccc(F)c2C1S(=O)(=O)c1ccc(Cl)cc1, OCCS to produce O=S(=O)(c1ccc(Cl)cc1)C1c2c(F)ccc(F)c2OCC1CSCCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.