Task: Answer the multiple choice question.
Question: Which compound exhibits a -4.502\% 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(c1cnc2n(c1=O)CCS2)N1CCc2ccccc21
b.) Cc1cc([N+](=O)[O-])nn1CC(=O)Nc1cc(F)ccc1F
Answer: b. Cc1cc([N+](=O)[O-])nn1CC(=O)Nc1cc(F)ccc1F
{#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#}
Cc1cc([N+](=O)[O-])nn1CC(=O)Nc1cc(F)ccc1F
Cc1cc([N+](=O)[O-])nn1CC(=O)Nc1cc(F)ccc1F
N-(2,5-difluorophenyl)-2-(5-methyl-3-nitropyrazol-1-yl)acetamide