Using O=S([O-])O, CC1=C(c2ccc(O)cc2)Oc2ccccc2S1 to produce CC1=C(c2ccc(O)cc2)Oc2ccccc2S1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.