The compound with the SMILES of CCOC(=O)[C@H](CCc1ccccc1)N[C@@H](C)C(=O)N1CCC[C@H]1C(=O)O shows no blood-brain barrier permeability.
The {#compound|chemical!} with the {SMILES__description} of {SMILES#} {#shows|exhibits|displays!} {p_np#no &NULL}{p_np__names__noun}.
(2S)-1-[(2S)-2-[[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]amino]propanoyl]pyrrolidine-2-carboxylicacid