Task: Answer the MCQ question.
Query: Which drug has a 12.943\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCc1ccc(/C=N/NC(=O)c2cc(-c3ccccc3OC)nc3ccccc23)s1
b Nc1nc(NCCOCCO)nc(N2CCCCCC2)c1[N+](=O)[O-]
Answer: b. Nc1nc(NCCOCCO)nc(N2CCCCCC2)c1[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_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#}
Nc1nc(NCCOCCO)nc(N2CCCCCC2)c1[N+](=O)[O-]
Nc1nc(NCCOCCO)nc(N2CCCCCC2)c1[N+](=O)[O-]
2-[2-[[4-amino-6-(azepan-1-yl)-5-nitropyrimidin-2-yl]amino]ethoxy]ethanol