Task: Answer the MCQ question.
Query: Which compound exhibits a -9.990% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C(Nc1nn[nH]n1)c1cccc([N+](=O)[O-])c1
b.) CCc1noc(C)c1C(=O)NNC(=O)COc1cc(C)ccc1C
Answer: a. O=C(Nc1nn[nH]n1)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_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Nc1nn[nH]n1)c1cccc([N+](=O)[O-])c1
O=C(Nc1nn[nH]n1)c1cccc([N+](=O)[O-])c1
oxido-oxo-[3-(2H-tetrazol-5-ylcarbamoyl)phenyl]azanium