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) CCNC1(c2ccccc2)CCCCC1
(b) NC(=O)c1ccc(F)c2c1C[C@@H](N(C1CCC1)C1CCC1)CO2
(c) COc1cccc([C@@]2(O)CCCC[C@@H]2CN(C)C)c1.[Cl-].[H+]
(d) Clc1ccc2c(c1)C(N1CCNCC1)=Nc1ccccc1O2
(e) CCC(=O)C(CCN(C)C)(c1ccccc1)c1ccccc1
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}