Task: Please give me a SMILES based on the description.
Description: A molecule that is not permeable through the blood-brain barrier.
Result: O=c1nc[nH]c2c1ncn2[C@H]1CC[C@@H](CO)O1
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[nH]c2c1ncn2[C@H]1CC[C@@H](CO)O1
O=c1nc[nH]c2c1ncn2[C@H]1CC[C@@H](CO)O1
9-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]-3H-purin-6-one