Using Oc1ccc2ccccc2c1, O=C(O)CC1=CC(OC2CCCCO2)CC1=O to produce O=C(CC1=CC(O)CC1=O)Oc1ccc2ccccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.