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, or d without using any other words.
Options:
a.) CN(C)CCC1(C)OCCC2=C1c1ccccc1C2
b.) CN1C2CCC1CC(OC(=O)[C@H](CO)c1ccccc1)C2
c.) CC(=O)OCC(=O)[C@@]12OC(C)(C)O[C@@H]1C[C@H]1C3CC(C#N)=C4C=C(OCCCl)CCC4(C)[C@@]3(F)C(O)CC12C
d.) Cc1nc2n(c(=O)c1CCN1CCC(c3noc4cc(F)ccc34)CC1)CCCC2
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}