Task: Please create the SMILES of chemical structure based on the text description.
Description: A molecule that is penetrating the blood brain barrier to reach the brain.
Result: Cc1nc2n(c(=O)c1CCN1CCC(c3noc4cc(F)ccc34)CC1)CCC[C@H]2O
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#}