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