Task: Answer the multiple-choice question.
Question: Which compound has a 12.189\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCCCCCCCCCCCCCCC[n+]1ccc(/C=N/O)cc1.[Br-]
b: CC(=O)Oc1ccc(C(=O)Nc2cccnc2)cc1
Answer: a. CCCCCCCCCCCCCCCC[n+]1ccc(/C=N/O)cc1.[Br-]
{#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#}
CCCCCCCCCCCCCCCC[n+]1ccc(/C=N/O)cc1.[Br-]
CCCCCCCCCCCCCCCC[n+]1ccc(/C=N/O)cc1.[Br-]
(NE)-N-[(1-hexadecylpyridin-1-ium-4-yl)methylidene]hydroxylamine;bromide