Task: Please give me a molecule SMILES based on the description.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: CCC1(c2ccccc2)C(=O)NC(=O)N1C
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#}
CCC1(c2ccccc2)C(=O)NC(=O)N1C
CCC1(c2ccccc2)C(=O)NC(=O)N1C
5-ethyl-1-methyl-5-phenylimidazolidine-2,4-dione