Task: Answer the MCQ question.
Question: Which drug exhibits a 9.130\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cc1cc(N(C)C)c(C#N)c(N2CCCCC2)n1
b: CCOC(=O)C1CCN(c2c(-c3ccccc3)c3cc(Cl)ccc3[nH]c2=O)CC1
Answer: b. CCOC(=O)C1CCN(c2c(-c3ccccc3)c3cc(Cl)ccc3[nH]c2=O)CC1
{#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#}
CCOC(=O)C1CCN(c2c(-c3ccccc3)c3cc(Cl)ccc3[nH]c2=O)CC1
CCOC(=O)C1CCN(c2c(-c3ccccc3)c3cc(Cl)ccc3[nH]c2=O)CC1
6-chloro-3-(4-ethoxycarbonylpiperidin-1-yl)-4-phenyl-1H-quinolin-2-one