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=C1CCC2CCC(=O)N12
[b] O=C1CC2(CCCC2)CC(=O)N1CCCCN1CCN(c2ncccn2)CC1
[c] CN1CCN(C(=O)OC2C3=C(SCCS3)C(=O)N2c2ccc3ccc(Cl)nc3n2)CC1
[d] Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1
[e] CN1C(=O)CN=C(C2=CCCCC2)c2cc([N+](=O)[O-])ccc21
Answer: a, b, c, 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}