Task: Answer the MCQ question.
Query: Which compound exhibits a 13.599\% 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] Cc1occc1C(=O)Nc1ccc([N+](=O)[O-])cc1Br
[b] COc1cccc(OC)c1C(=O)Nc1sc2c(c1C(N)=O)CCN(Cc1ccccc1)C2.Cl
Answer: a. Cc1occc1C(=O)Nc1ccc([N+](=O)[O-])cc1Br
{#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#}
Cc1occc1C(=O)Nc1ccc([N+](=O)[O-])cc1Br
Cc1occc1C(=O)Nc1ccc([N+](=O)[O-])cc1Br
N-(2-bromo-4-nitrophenyl)-2-methylfuran-3-carboxamide