Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 10uM of a compound with the SMILES O=C(N=Nc1c(O)[nH]c2ccc([N+](=O)[O-])cc12)c1ccccc1[N+](=O)[O-]?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
[a] 18.233
[b] -34.690
[c] -6.968
[d] 10.009
Answer: c. -6.968%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
O=C(N=Nc1c(O)[nH]c2ccc([N+](=O)[O-])cc12)c1ccccc1[N+](=O)[O-]
O=C(N=Nc1c(O)[nH]c2ccc([N+](=O)[O-])cc12)c1ccccc1[N+](=O)[O-]
N-[(2-hydroxy-5-nitro-1H-indol-3-yl)imino]-2-nitrobenzamide