The SMILES NC(=O)CN1CC(O)CC1=O represents a molecule that is identified 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}.
NC(=O)CN1CC(O)CC1=O
NC(=O)CN1CC(O)CC1=O
2-(4-hydroxy-2-oxopyrrolidin-1-yl)acetamide