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 additional words.
Options:
a.) CCC(=O)C(c1ccccc1)(c1ccccc1)C(C)CN(C)C
b.) CN(C)CCOC(c1ccccc1)c1ccccc1
c.) CON=C(C#N)C1CN2CCC1CC2
d.) Cc1cc(-c2ccccc2)nnc1NCCN1CCOCC1
e.) CCC(=O)C(CC(C)N(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}