Task: Answer the MCQ question.
Question: Which compound exhibits a 9.375\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(NNC(=O)c1ccccn1)c1cccc([N+](=O)[O-])c1
[b] O=C(NC1CC1)c1sc2cc(F)ccc2c1Cl
Answer: a. O=C(NNC(=O)c1ccccn1)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=C(NNC(=O)c1ccccn1)c1cccc([N+](=O)[O-])c1
O=C(NNC(=O)c1ccccn1)c1cccc([N+](=O)[O-])c1
oxido-oxo-[3-[(pyridine-2-carbonylamino)carbamoyl]phenyl]azanium