Task: Please generate the SMILES of molecule based on the text description below.
Description: A molecule that is not penetrating the blood brain barrier.
Result: Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1
Task: Please {#give me|create|generate!} the {SMILES__description} of {#molecule|chemical|chemical structure!} based on the {#text |!}description{# below|!}.
Description: A molecule that is {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}.
Result: {SMILES#}