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] CN(C)CCCN1c2ccccc2C=Cc2sccc21
[b] CNC1CCN2c3ccccc3CCc3cccc1c32
[c] CC(C)(C)NC(=O)C1CC2CCCCC2CN1CC(O)C(Cc1ccccc1)NC(=O)C(CC(N)=O)NC(=O)c1ccc2ccccc2n1
[d] Cc1nnc2n1-c1sc(Br)cc1C(c1ccccc1Cl)=NC2
[e] CN1CCN(/C=C2\N=C3CN=C(c4ccccc4Cl)c4cc([N+](=O)[O-])ccc4N3C2=O)CC1
Answer: a, b, c, 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}