Based on the SMILES C[C@@H](CN1CC(=O)NC(=O)C1)N1CC(=O)NC(=O)C1, the molecule is not permeable through the blood-brain barrier.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {p_np#not &NULL}{p_np__names__adjective}.
C[C@@H](CN1CC(=O)NC(=O)C1)N1CC(=O)NC(=O)C1
C[C@@H](CN1CC(=O)NC(=O)C1)N1CC(=O)NC(=O)C1
4-[(2S)-2-(3,5-dioxopiperazin-1-yl)propyl]piperazine-2,6-dione