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.) NCCCN1c2ccccc2CCc2ccccc21
b.) CNCCCC1(C)CN(c2ccccc2)c2ccccc21
c.) Cc1ccc(Cc2ccccc2)c(N2CCNCC2)c1
d.) OC(c1ccccc1)(c1ccccc1)C1CC1c1ccncc1
e.) CN1CCN(C2=Cc3cc(Cl)ccc3/C(=C\C#N)c3ccccc32)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}