Task: Answer the MCQ question.
Question: Which drug exhibits a 8.040\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCC(C)Nc1nc(-c2c[nH]c3ccccc23)cs1
b: O=C(CSc1n[nH]c(-c2ccccn2)n1)Nc1ccccc1
Answer: b. O=C(CSc1n[nH]c(-c2ccccn2)n1)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(CSc1n[nH]c(-c2ccccn2)n1)Nc1ccccc1
O=C(CSc1n[nH]c(-c2ccccn2)n1)Nc1ccccc1
N-phenyl-2-[(5-pyridin-2-yl-1H-1,2,4-triazol-3-yl)sulfanyl]acetamide