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, or c without using any other words.
Options:
a: COc1cc(C(=O)OCCN2CCN(CCCN3c4ccccc4Sc4ccc(Cl)cc43)CC2)cc(OC)c1OC
b: O=C1C[C@H]2SC(C3(O)CN4C(=O)C[C@H]4S3)CN12
c: O=c1[nH]c2ccccc2n1C1CCN(CCCc2noc3cc(F)ccc23)CC1
Answer: a, b, c
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}