Task: Please answer the multiple choice question.
Question: Is the molecule with the SMILES of CN1CCN2c3ncccc3Cc3ccccc3C2C1 penetrating the blood brain barrier?
Constraint: Even if you are not sure, you must pick either a or b without using any additional words.
Options:
[a] True
[b] False
Answer: a
Task: Please answer the multiple choice question.
Question: Is the molecule with the {SMILES__description} of {SMILES#} {penetrate_BBB__names__adjective}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2%aA1} without using any {#other|additional!} words.
Options:
{penetrate_BBB%}
Answer: {%multiple_choice_result}