Using OB(O)c1ccsc1, O=C1C(Cc2c(Cl)cc(OS(=O)(=O)C(F)(F)F)cc2Cl)CCN1C1CCCCC1 to produce O=C1C(Cc2c(Cl)cc(-c3ccsc3)cc2Cl)CCN1C1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.