Task: Please give me a SMILES based on the text description below.
Description: A molecule that is permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: COC(F)(F)C(Cl)Cl
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#}
COC(F)(F)C(Cl)Cl
COC(F)(F)C(Cl)Cl
1,1-dichloro-2,2-difluoro-2-methoxyethane