Task: Please create a SMILES based on the description.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: O=C1CCN=C2CC(c3ccccc3)CN12
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#}
O=C1CCN=C2CC(c3ccccc3)CN12
O=C1CCN=C2CC(c3ccccc3)CN12
7-phenyl-3,6,7,8-tetrahydro-2H-pyrrolo[1,2-a]pyrimidin-4-one