The SMILES O=C(O)CCCCCCCC(=O)O represents a molecule that is notidentified as permeable through the membrane separating circulating blood and extracellular brain fluid.
The {SMILES__description} {SMILES#} represents a molecule that is {p_np#not&NULL}identified as {p_np__names__adjective}.
O=C(O)CCCCCCCC(=O)O
O=C(O)CCCCCCCC(=O)O
nonanedioicacid