Task: Answer the multiple-choice question.
Question: Which compound exhibits a 7.272\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCCc1c(C)c2ccccc2[nH]c1=O
b: O=C(Nc1ccccc1Cl)C1CCCN1C(=O)OCc1ccccc1
Answer: a. CCCc1c(C)c2ccccc2[nH]c1=O
{#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#}
CCCc1c(C)c2ccccc2[nH]c1=O
CCCc1c(C)c2ccccc2[nH]c1=O
4-methyl-3-propyl-1H-quinolin-2-one