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, or c without using any additional words.
Options:
a) CC1OC2(CCCCC2Oc2cccc(Cl)c2)NC1=O
b) CN1CCN(CC/C=C2\c3ccccc3Sc3ccc(S(=O)(=O)N(C)C)cc32)CC1
c) OC[C@@H](O)[C@H]1OC2O[C@H](C(Cl)(Cl)Cl)O[C@@H]2[C@H]1O
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}