Task: Please answer the multiple choice question.
Question: Which molecules are penetrating the blood brain barrier?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1
b: CCC1(C2=CCCCC2)C(=O)NC(=O)NC1=O
c: Cc1ccccc1C(OCCN(C)C)c1ccccc1
d: O=c1[nH]c2ccccc2n1C1CCN(CCCc2noc3cc(F)ccc23)CC1
e: Clc1ccc2c(c1)/C(=C/C1CN3CCC1CC3)c1ccccc1S2
Answer: b, c, d, e
Task: Please answer the multiple choice question.
Question: Which molecules are {penetrate_BBB#not &NULL}{penetrate_BBB__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%penetrate_BBB%}
Answer: {%multiple_choice_result}