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 additional words.
Options:
[a] O=C1CN=C(C2=CCCCC2)c2cc(Cl)ccc2N1
[b] OC1CCN(c2ccc(-c3ccccc3Cl)nn2)CC1
[c] CN(C)CCCN1c2ccccc2CCc2ccccc21
[d] CCCC(=O)N(C)Cc1c(-c2ccc(Cl)cc2)nc2ccccn12
[e] CCC(=O)C(CC(C)N(C)C)(c1ccccc1)c1ccccc1
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}