Task: Answer the multiple choice question.
Query: Which compound exhibits a 10.821\% human ether-à-go-go related gene (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) O=C(CCCCCCC(=O)Nc1ccccc1)NO
(b) CC(=O)c1cc(-c2nc3ccccc3n2C)n(C)c1
Answer: a. O=C(CCCCCCC(=O)Nc1ccccc1)NO
{#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(CCCCCCC(=O)Nc1ccccc1)NO
O=C(CCCCCCC(=O)Nc1ccccc1)NO
N'-hydroxy-N-phenyloctanediamide