Task: Please give me a SMILES based on the description.
Description: A molecule that is not permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: Cn1c(=O)c2c(ncn2CCNCC(O)c2ccc(O)c(O)c2)n(C)c1=O
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#}
Cn1c(=O)c2c(ncn2CCNCC(O)c2ccc(O)c(O)c2)n(C)c1=O
Cn1c(=O)c2c(ncn2CCNCC(O)c2ccc(O)c(O)c2)n(C)c1=O
7-[2-[[2-(3,4-dihydroxyphenyl)-2-hydroxyethyl]amino]ethyl]-1,3-dimethylpurine-2,6-dione