Task: Answer the MCQ question.
Query: Which drug exhibits a 18.625% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1ccc(CC(=O)NNS(=O)(=O)c2cccc([N+](=O)[O-])c2)cc1OC
[b] Cn1c(=O)c2c(ncn2CC(COCc2ccc(Cl)cc2)OCc2ccc(Cl)cc2)n(C)c1=O
Answer: a. COc1ccc(CC(=O)NNS(=O)(=O)c2cccc([N+](=O)[O-])c2)cc1OC
{#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(CC(=O)NNS(=O)(=O)c2cccc([N+](=O)[O-])c2)cc1OC
COc1ccc(CC(=O)NNS(=O)(=O)c2cccc([N+](=O)[O-])c2)cc1OC
2-(3,4-dimethoxyphenyl)-N'-(3-nitrophenyl)sulfonylacetohydrazide