Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -68.164% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCC(=O)Nc1cc(C)c(OC)c(C)c1
[b] CCN1CCN(c2ccc([N+](=O)[O-])cc2C#N)CC1
Answer: b. CCN1CCN(c2ccc([N+](=O)[O-])cc2C#N)CC1
{#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#}
CCN1CCN(c2ccc([N+](=O)[O-])cc2C#N)CC1
CCN1CCN(c2ccc([N+](=O)[O-])cc2C#N)CC1
2-(4-ethylpiperazin-1-yl)-5-nitrobenzonitrile