Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 4.403\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: Cc1ccc(Sc2cnccc2C#N)cc1
b: COc1cc(C(=O)O/N=C(\N)c2cccc([N+](=O)[O-])c2)cc(OC)c1OC
c: COc1cccc2cc(-c3ccccc3)c(=O)oc12
Answer: c. COc1cccc2cc(-c3ccccc3)c(=O)oc12
{#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#}
COc1cccc2cc(-c3ccccc3)c(=O)oc12
COc1cccc2cc(-c3ccccc3)c(=O)oc12
8-methoxy-3-phenylchromen-2-one