Task: Answer the multiple-choice question.
Question: Which compound exhibits a -5.321% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccc(-c2c(=O)n(OCc3ccccc3[N+](=O)[O-])c3ccccc3[n+]2[O-])c(OC)c1
(b) CC(=O)NC(CC(=O)NC(C)c1ccc(Cl)cc1Cl)c1ccccc1
Answer: a. COc1ccc(-c2c(=O)n(OCc3ccccc3[N+](=O)[O-])c3ccccc3[n+]2[O-])c(OC)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(-c2c(=O)n(OCc3ccccc3[N+](=O)[O-])c3ccccc3[n+]2[O-])c(OC)c1
COc1ccc(-c2c(=O)n(OCc3ccccc3[N+](=O)[O-])c3ccccc3[n+]2[O-])c(OC)c1
3-(2,4-dimethoxyphenyl)-1-[(2-nitrophenyl)methoxy]-4-oxidoquinoxalin-4-ium-2-one