Task: Answer the MCQ question.
Question: Which drug exhibits a 17.526\% 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 other words.
Options:
a: Cc1ccc([N+](=O)[O-])cc1N
b: O=C(O)c1ccc(Nc2ccc([N+](=O)[O-])c3nonc23)cc1
Answer: a. Cc1ccc([N+](=O)[O-])cc1N
{#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#}
Cc1ccc([N+](=O)[O-])cc1N
Cc1ccc([N+](=O)[O-])cc1N
2-methyl-5-nitrocyclohexa-1,3,5-trien-1-amine