Task: Answer the multiple-choice question.
Query: Which drug exhibits a 8.092\% 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] CCOC(=O)c1ccc[n+](CC(=O)c2ccccc2)c1.[Br-]
[b] COc1cccc(-c2csc(NC(=O)Oc3ccccc3)n2)c1
Answer: a. CCOC(=O)c1ccc[n+](CC(=O)c2ccccc2)c1.[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#}
CCOC(=O)c1ccc[n+](CC(=O)c2ccccc2)c1.[Br-]
CCOC(=O)c1ccc[n+](CC(=O)c2ccccc2)c1.[Br-]
ethyl 1-phenacylpyridin-1-ium-3-carboxylate;bromide