Task: Please answer the multiple choice question.
Question: Which molecules are not penetrating the blood brain barrier?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) CNCCOC(c1ccccc1)c1ccccc1C
(b) CCc1ccccc1-n1c(C)nc2ccccc2c1=O
(c) CC[N+](C)(C)Cc1ccccc1Br.Cc1ccc(S(=O)(=O)[O-])cc1
(d) CCC(OC(C)=O)C(CC(C)N(C)C)(c1ccccc1)c1ccccc1
(e) Cc1cn([C@H]2C=C[C@@H](CO)O2)c(=O)[nH]c1=O
Answer: 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}