Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 1.492\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1ccccc1-c1noc(-c2ccncc2)n1
b) COc1ccc(C(=O)N2CCN(c3nc4cc(C)ccc4cc3C#N)CC2)c(OC)c1
Answer: a. COc1ccccc1-c1noc(-c2ccncc2)n1
{#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#}
3-(2-methoxyphenyl)-5-pyridin-4-yl-1,2,4-oxadiazole