Using CCCCCCCCCCOc1cc(-c2ccccc2)c(OCOCCOC)c(-c2ccccc2)c1 to produce CCCCCCCCCCOc1cc(-c2ccccc2)c(O)c(-c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.