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) CC1=NN(c2ccccc2)C(=O)C1
b) NC(N)=NC(=O)c1nc(Cl)c(N)nc1N
c) COc1ccc(Cl)c2c1CCCC2N(C)C
d) CN(C)c1cnccn1
e) CNC(=O)CCN1CCN(CCC=C2c3ccccc3Sc3ccc(Cl)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}