The chemical with the SMILES of C1CCc2nnnn2CC1 shows blood-brain barrier permeability.
The {#compound|chemical!} with the {SMILES__description} of {SMILES#} {#shows|exhibits|displays!} {p_np#no &NULL}{p_np__names__noun}.
C1CCc2nnnn2CC1
C1CCc2nnnn2CC1
6,7,8,9-tetrahydro-5H-tetrazolo[1,5-a]azepine