Task: Please generate the SMILES of chemical structure based on the description below.
Description: A molecule that is penetrating the blood brain barrier.
Result: C=C1CC[C@@]2(O)[C@H]3Cc4ccc(O)c5c4[C@@]2(CCN3CC2CC2)[C@H]1O5
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#}