Task: Please answer the multiple choice question.
Question: Which molecules are not 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 CC(=O)OCC(=O)[C@@]1(OC(=O)c2ccco2)[C@H](C)C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@@]21C
b CN(C(=O)Cc1ccccc1N)[C@@H](CN1CC[C@@H](O)C1)c1ccccc1
c CC[C@]1(O)C[C@H]2CN(CCc3c([nH]c4ccccc34)[C@@](C(=O)OC)(c3cc4c(cc3OC)N(C)[C@H]3[C@@](O)(C(=O)OC)[C@H](OC(C)=O)[C@]5(CC)C=CCN6CC[C@]43[C@@H]65)C2)C1
Answer: b
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}