Task: Please answer the multiple choice question.
Question: Is the molecule with the SMILES of O=C1CN(C(=O)CN2CC(c3ccc(Cl)cc3)CC2=O)CCN1 penetrating the blood brain barrier to reach the brain?
Constraint: Even if you are not sure, you must pick either a or b without using any other 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}