Task: Answer the MCQ question.
Question: Which compound exhibits a 16.786% 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] CCN1N=C(c2ccccc2)CCC1=O
[b] CCC(=NCc1ccco1)c1c(O)n(-c2ccc(OC)cc2)c(=O)[nH]c1=O
Answer: a. CCN1N=C(c2ccccc2)CCC1=O
{#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#}
CCN1N=C(c2ccccc2)CCC1=O
CCN1N=C(c2ccccc2)CCC1=O
2-ethyl-6-phenyl-4,5-dihydropyridazin-3-one