Based on the SMILES Nc1ncnc2c1ncn2C1OC(CO)C(O)C1O, 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}.
Nc1ncnc2c1ncn2C1OC(CO)C(O)C1O
Nc1ncnc2c1ncn2C1OC(CO)C(O)C1O
2-(6-aminopurin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol