Task: Please generate a molecule SMILES based on the text description.
Description: A molecule that is not permeable through the membrane separating circulating blood and extracellular brain fluid.
Result: CC[C@@H](CO)NCCN[C@@H](CC)CO
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#}
CC[C@@H](CO)NCCN[C@@H](CC)CO
CC[C@@H](CO)NCCN[C@@H](CC)CO
(2S)-2-[2-[[(2S)-1-hydroxybutan-2-yl]amino]ethylamino]butan-1-ol