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, or d without using any additional words.
Options:
a) O=C(NCCCN1CCOCC1)c1ccc(Cl)cc1
b) CC[C@@H](O)C(C[C@@H](C)N(C)C)(c1ccccc1)c1ccccc1
c) COc1ccc2c(c1)c(CC(=O)O)c(C)n2C(=O)c1ccc(Cl)cc1
d) CN1CCN(C2=Cc3cc(Cl)ccc3/C(=C\C#N)c3ccccc32)CC1
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}