Task: Answer the multiple choice question.
Question: Which compound exhibits a 6.151\% 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. C=CCC(NC(=O)c1ccc(C#N)cc1)C(=O)NCCC
b. COc1ccc2c(c1)n([O-])c(C)c(C(C)=O)[n+]2=O
Answer: b. COc1ccc2c(c1)n([O-])c(C)c(C(C)=O)[n+]2=O
{#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#}
COc1ccc2c(c1)n([O-])c(C)c(C(C)=O)[n+]2=O
COc1ccc2c(c1)n([O-])c(C)c(C(C)=O)[n+]2=O
1-(6-methoxy-3-methyl-4-oxido-1-oxoquinoxalin-1-ium-2-yl)ethanone