Task: Answer the multiple choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM of a compound with the SMILES O=c1[nH][nH]c(-c2ccccc2O)c1C(C[N+](=O)[O-])c1ccccc1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) -4.076
b.) 4.243
c.) 8.400
d.) 20.919
Answer: d. 20.919%.
{#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=c1[nH][nH]c(-c2ccccc2O)c1C(C[N+](=O)[O-])c1ccccc1
O=c1[nH][nH]c(-c2ccccc2O)c1C(C[N+](=O)[O-])c1ccccc1
5-(2-hydroxyphenyl)-4-(2-nitro-1-phenylethyl)-1,2-dihydropyrazol-3-one