Task: Answer the multiple-choice question.
Query: Which compound exhibits a 9.565\% 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(NNC(=O)c1csc(-c2cnccc2C(F)(F)F)n1)c1ccc(C(F)(F)F)cc1
b. O=c1[nH]c2cccnc2n1-c1cccc([N+](=O)[O-])c1
Answer: b. O=c1[nH]c2cccnc2n1-c1cccc([N+](=O)[O-])c1
{#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=c1[nH]c2cccnc2n1-c1cccc([N+](=O)[O-])c1
O=c1[nH]c2cccnc2n1-c1cccc([N+](=O)[O-])c1
oxido-oxo-[3-(2-oxo-1H-imidazo[4,5-b]pyridin-3-yl)phenyl]azanium