Task: Answer the MCQ question.
Query: Which compound exhibits a -1.748% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Nc1nc(Cl)cc(NCCc2ccc(O)cc2)n1
(b) Cn1nnnc1SCc1ccccc1[N+](=O)[O-]
Answer: b. Cn1nnnc1SCc1ccccc1[N+](=O)[O-]
{#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#}
Cn1nnnc1SCc1ccccc1[N+](=O)[O-]
Cn1nnnc1SCc1ccccc1[N+](=O)[O-]
[2-[(4-methyltetrazol-5-yl)sulfanylmethyl]phenyl]-oxido-oxoazanium