Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -20.938\% 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: O=C(CN1CCCc2ccccc21)NC(=O)NC1CCCCC1
b: O=C(CCCOc1ccccc1)N1CCN(S(=O)(=O)c2ccccc2)CC1
Answer: a. O=C(CN1CCCc2ccccc21)NC(=O)NC1CCCCC1
{#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#}
O=C(CN1CCCc2ccccc21)NC(=O)NC1CCCCC1
O=C(CN1CCCc2ccccc21)NC(=O)NC1CCCCC1
N-(cyclohexylcarbamoyl)-2-(3,4-dihydro-2H-quinolin-1-yl)acetamide