The chemical with the SMILES of Cn1c(=O)c2nc[nH]c2n(C)c1=O 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}.
Cn1c(=O)c2nc[nH]c2n(C)c1=O
Cn1c(=O)c2nc[nH]c2n(C)c1=O
1,3-dimethyl-9H-purine-2,6-dione