Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 16.887% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: O=c1[nH]c2ccccc2n2cnnc12
b: COc1ccc2c(c1)CCc1c(C(=O)NC3CCCCC3)noc1-2
c: CC1CCN(c2nc3ccc(C(=O)NCCCN4CCCCC4)cc3s2)CC1
Answer: a. O=c1[nH]c2ccccc2n2cnnc12
{#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#}
O=c1[nH]c2ccccc2n2cnnc12
O=c1[nH]c2ccccc2n2cnnc12
5H-[1,2,4]triazolo[4,3-a]quinoxalin-4-one