Using COC(=O)c1cc(S(=O)(=O)c2ccc(C)cc2)cc(OC)c1OC to produce Cc1ccc(S(=O)(=O)c2cc(O)c(O)c(C(=O)O)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.