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 additional words.
Options:
[a] CC(C)CC(N(C)C)C1(c2ccc(Cl)cc2)CCC1
[b] CN1C2CCC1CC(OC(=O)C(C)(CO)c1ccccc1)C2
[c] CC1(C)S[C@@H]2[C@H](NC(=O)C(C(=O)Oc3ccccc3)c3ccccc3)C(=O)N2[C@H]1C(=O)O
[d] COc1ccc([C@@H]2Sc3ccccc3N(CCN(C)C)C(=O)[C@@H]2OC(C)=O)cc1
Answer: a, b, 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}