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, or c without using any other words.
Options:
(a) CCNC1(c2cccs2)CCCCC1=O
(b) COc1cc(C(=O)N2CCCCCCC2)cc(OC)c1OC
(c) COc1ccc2c(C3CCN(CCCC(=O)c4ccc(F)cc4)CC3)c(C)[nH]c2c1
Answer: a, b, c
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}