Task: Please answer the multiple choice question.
Question: Which molecules are penetrating the blood brain barrier to reach the brain?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) O=C1CN(C(=O)CN2CC(c3ccc(Cl)cc3)CC2=O)CCN1
b.) CCCCN/C(=C1/C=C(Cl)C=CC1=O)c1ccccc1Cl
c.) CCNC1(c2ccccc2)CCCCC1
d.) CN(C)CCCN1c2ccccc2CCc2ccc(C#N)cc21
e.) OCCN1CCCN(CCCN2c3ccccc3Sc3ccc(C(F)(F)F)cc32)CC1
Answer: a, 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}