Task: Answer the multiple choice question.
Query: Which drug exhibits a 12.167% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COCCN(C(=O)COC(=O)CCOc1ccccc1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
(b) NNC(=O)c1cncc(Br)c1
Answer: b. NNC(=O)c1cncc(Br)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
NNC(=O)c1cncc(Br)c1
NNC(=O)c1cncc(Br)c1
5-bromopyridine-3-carbohydrazide