Based on the SMILES O=C(CN1CCCC1=O)NNC(=O)CN1CCCC1=O, the molecule is 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(CN1CCCC1=O)NNC(=O)CN1CCCC1=O
O=C(CN1CCCC1=O)NNC(=O)CN1CCCC1=O
2-(2-oxopyrrolidin-1-yl)-N'-[2-(2-oxopyrrolidin-1-yl)acetyl]acetohydrazide