Task: Answer the MCQ question.
Question: Which drug has a 14.527\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) [O-][n+]1onc2c3ccnnc3ccc21
(b) Cc1c(NC(=O)COC(=O)CSc2ccc(C(N)=O)cc2[N+](=O)[O-])c(=O)n(-c2ccccc2)n1C
Answer: a. [O-][n+]1onc2c3ccnnc3ccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
[O-][n+]1onc2c3ccnnc3ccc21
[O-][n+]1onc2c3ccnnc3ccc21
3-oxido-[1,2,5]oxadiazolo[3,4-f]cinnolin-3-ium