Based on the SMILES representation O=C(O)CCCCCCCC(=O)O, the molecule is not permeable through the membrane separating circulating blood and extracellular brain fluid.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {p_np#not &NULL}{p_np__names__adjective}.
O=C(O)CCCCCCCC(=O)O
O=C(O)CCCCCCCC(=O)O
nonanedioicacid