Task: Please give me a SMILES based on the description.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: CN1CC=C(c2ccccc2)CC1
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#}
CN1CC=C(c2ccccc2)CC1
CN1CC=C(c2ccccc2)CC1
1-methyl-4-phenyl-3,6-dihydro-2H-pyridine