Task: Please create a SMILES based on the description below.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: O=C1NC(=O)C2(CCc3ccccc3C2)N1
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=C1NC(=O)C2(CCc3ccccc3C2)N1
O=C1NC(=O)C2(CCc3ccccc3C2)N1
spiro[2,4-dihydro-1H-naphthalene-3,5'-imidazolidine]-2',4'-dione