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 other words.
Options:
a.) c1ccc(-c2nc(N3CCNCC3)cc3ccccc23)cc1
b.) O=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1
c.) CC1(C)S[C@@H]2[C@H](NC(=O)[C@H](NC(=O)Nc3cnc(Nc4ccc(S(N)(=O)=O)cc4)[nH]c3=O)c3ccc(O)cc3)C(=O)N2[C@H]1C(=O)O
d.) CCC(=O)C(CCN(C)C)(c1ccccc1)c1ccccc1
e.) Clc1ccc2c(c1)C(N1CCNCC1)=Nc1ccccc1O2
Answer: a, b, 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}