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)CN=C(C2=CCCCC2)c2cc([N+](=O)[O-])ccc21
(b) COc1ccc(Cl)c2c1CCCC2N(C)C
(c) O=C1CC2(CCCC2)CC(=O)N1CCCCN1CCN(c2nsc3ccccc23)CC1
(d) Cc1nc2n(c(=O)c1CCN1CCC(c3noc4cc(F)ccc34)CC1)CCCC2O
(e) CCC(=O)N1CCN(C(=O)OC2C3=C(SCCS3)C(=O)N2c2ccc3ccc(Cl)nc3n2)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}