Using OCCO, CC1(C)CCC(=O)CC1S(=O)(=O)c1ccccc1 to produce CC1(C)CCC2(CC1S(=O)(=O)c1ccccc1)OCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.