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. CC(C)CC(N(C)C)C1(c2ccc(Cl)cc2)CCC1
b. CC/C(=C(\c1ccccc1)c1ccc(OCCN(C)C)cc1)c1ccccc1
c. CN1C(=O)CN=C(C2=CCCCC2)c2cc([N+](=O)[O-])ccc21
d. CCN(CC)CCOC1(c2ccc(Cl)cc2)CCCCC1
e. CC(CN(C)C)OC(C)(c1ccccc1)c1ccc(Cl)cc1
Answer: a, b, c, d
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}