Using Cc1cc(OC2CCCCO2)cc2c1C(CC(=O)OC(C)(C)C)OB2O to produce Cc1cc(O)cc2c1C(CC(=O)OC(C)(C)C)OB2O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.