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 other words.
Options:
(a) CN1CCN(C2=Cc3cc(Cl)ccc3/C(=C\C#N)c3ccccc32)CC1
(b) CN(C)CCOC(c1ccccc1)c1ccc(Br)cc1
(c) CN(C)CCOC(C)(c1ccccc1)c1ccc(Cl)cc1
(d) O=[N+]([O-])C1=CC=NC1NCCSCc1ccccn1
(e) CN(C)C/C=C(/c1ccc(Br)cc1)c1cccnc1
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}