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.) CCC(=O)C(CCN(C)C)(c1ccccc1)c1ccccc1
b.) S=C(NC1CCCCC1)N1CCC(c2cnc[nH]2)CC1
c.) CN(C)CC(O)C(c1ccccc1)c1ccc(Cl)cc1
d.) CN(C)CCC=C1c2ccccc2Sc2ccccc21
e.) CN(C)CCOC(C)(c1ccccc1)c1ccc(Cl)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}