Based on the SMILES representation NNC(=O)c1ccncc1, 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}.
NNC(=O)c1ccncc1
NNC(=O)c1ccncc1
pyridine-4-carbohydrazide