Using Cc1ccc(S(=O)(=O)C(C)C)cc1, COC1C=CC(=O)O1 to produce COC1OC(=O)CC1C(C)(C)S(=O)(=O)c1ccc(C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.