Using O=C(C=CC1CCC2(OCCO2)C1CCCCCCCO)C1CCCCC1 to produce O=C(CCC1CCC2(OCCO2)C1CCCCCCCO)C1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.