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, or d without using any other words.
Options:
(a) CC1C2Cc3ccc(O)cc3C1(C)CCN2CCc1ccccc1
(b) CN(C)CCCn1c2c(c3ccccc31)CCCCCC2
(c) OC(c1ccccc1)(c1ccccc1)C1CC1c1ccncc1
(d) O=C1CCCN1CCCCN1CCN(c2cc(C(F)(F)F)ccn2)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}