Task: Answer the multiple-choice question.
Query: Which drug exhibits a 15.412\% 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] Cc1cc(-c2cccs2)n[nH]1
[b] O=C1CCCN1C(=O)COc1cc(F)ccc1[N+](=O)[O-]
Answer: b. O=C1CCCN1C(=O)COc1cc(F)ccc1[N+](=O)[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#}
O=C1CCCN1C(=O)COc1cc(F)ccc1[N+](=O)[O-]
O=C1CCCN1C(=O)COc1cc(F)ccc1[N+](=O)[O-]
1-[2-(5-fluoro-2-nitrophenoxy)acetyl]pyrrolidin-2-one