Task: Please answer the multiple choice question.
Question: Which molecules are penetrating the blood brain barrier to reach the brain?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CN1C(=O)NC(=O)C(C)(C2=CCCCC2)C1=O
[b] C[N+]1([O-])C2CCC1CC(OC(=O)C(CO)c1ccccc1)C2
[c] S=C(NC1CCCCC1)N1CCC(c2cnc[nH]2)CC1
[d] CCCCN/C(=C1/C=C(Cl)C=CC1=O)c1ccccc1Cl
[e] CC(C)C(=O)OCc1cccc(OC(=O)[C@@H]2N3C(=O)[C@@H](NC(=O)Cc4ccccc4)[C@H]3SC2(C)C)c1
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}