Task: Answer the MCQ question.
Question: Which compound exhibits a 15.205% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(COC(=O)c1ccccn1)Nc1c(Cl)cccc1Cl
(b) COCc1cc(C)[nH]c(=O)c1C#N
Answer: b. COCc1cc(C)[nH]c(=O)c1C#N
{#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#}
COCc1cc(C)[nH]c(=O)c1C#N
COCc1cc(C)[nH]c(=O)c1C#N
4-(methoxymethyl)-6-methyl-2-oxo-1H-pyridine-3-carbonitrile