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, d, or e without using any other words.
Options:
a.) CN1CCN(c2ccccc2Cc2ccccc2)CC1
b.) CC1(C)S[C@@H]2[C@H](NC(=O)[C@H](NC(=O)Nc3cnc(Nc4ccc(S(N)(=O)=O)cc4)[nH]c3=O)c3ccc(O)cc3)C(=O)N2[C@H]1C(=O)O
c.) Cc1cc(-c2ccccc2)nnc1NCCN1CCOCC1
d.) CCC1(c2ccccc2)C(=O)NCNC1=O
e.) CC(C)c1nc(CN(C)C(=O)N[C@H](C(=O)N[C@@H](Cc2ccccc2)C[C@H](O)[C@H](Cc2ccccc2)NC(=O)OCc2cncs2)C(C)C)cs1
Answer: a, 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}