Task: Please create a molecule SMILES based on the description below.
Description: A molecule that is permeable through the blood-brain barrier.
Result: O=C1CN2C(=O)CCC2N1
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=C1CN2C(=O)CCC2N1
O=C1CN2C(=O)CCC2N1
3,6,7,7a-tetrahydro-1H-pyrrolo[1,2-a]imidazole-2,5-dione