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) OC1CCN(c2ccc(-c3ccc(Cl)cc3Cl)nn2)CC1
b) Cc1cn([C@H]2C=C[C@@H](CO)O2)c(=O)[nH]c1=O
c) CCC(=O)C(CC(C)N(C)C)(c1ccccc1)c1ccccc1
d) COc1cc2c3c(c1O)C1(C=CC(=O)C=C1)CC3N(C)CC2
e) CCC(=O)C(c1ccccc1)(c1ccccc1)C(C)CN(C)C
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}