Using CCCCOc1ccc(Sc2ccc(OCCCC)cc2)cc1, O=S([O-])([O-])=S to produce CCCCOc1ccc(S(=O)c2ccc(OCCCC)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.