Task: Answer the multiple choice question.
Query: Which compound exhibits a -9.553\% 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] Nc1nn(-c2ccccc2)c2ccc([N+](=O)[O-])cc12
[b] NC(=O)C1CCN(C(=O)/C=C/c2cc(Br)ccc2F)CC1
Answer: a. Nc1nn(-c2ccccc2)c2ccc([N+](=O)[O-])cc12
{#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#}
Nc1nn(-c2ccccc2)c2ccc([N+](=O)[O-])cc12
Nc1nn(-c2ccccc2)c2ccc([N+](=O)[O-])cc12
(3-amino-1-phenylindazol-5-yl)-oxido-oxoazanium