Task: Please create a molecule SMILES based on the description.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: CC(C)OCC(COC(C)C)OCn1cnc2cnc(N)nc21
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: A molecule that is {p_np#not &NULL}{p_np__names__adjective}.
Result: {SMILES#}
CC(C)OCC(COC(C)C)OCn1cnc2cnc(N)nc21
CC(C)OCC(COC(C)C)OCn1cnc2cnc(N)nc21
9-[1,3-di(propan-2-yloxy)propan-2-yloxymethyl]purin-2-amine