Based on the SMILES CC(=O)NC(CCC(N)=O)C(=O)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}.
CC(=O)NC(CCC(N)=O)C(=O)O
CC(=O)NC(CCC(N)=O)C(=O)O
2-acetamido-5-amino-5-oxopentanoicacid