Using CS(=O)(=O)c1ccc(-c2ccc(C(=O)c3ccc(-c4ccc(S(C)(=O)=O)cc4)o3)o2)cc1 to produce CC(O)c1ccc(-c2ccc(S(C)(=O)=O)cc2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.