Task: Please create a molecule SMILES based on the text description below.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: O=C(O)CCCCC1SCC2NC(=O)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#}
O=C(O)CCCCC1SCC2NC(=O)NC21
O=C(O)CCCCC1SCC2NC(=O)NC21
5-(2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl)pentanoicacid