Task: Answer the multiple choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES Cn1c(=O)n(C)c2cc(NC(=O)c3ccccc3[N+](=O)[O-])c(Br)cc21?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a: 4.463
b: 7.772
c: 10.192
Answer: b. 7.772\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__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_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
Cn1c(=O)n(C)c2cc(NC(=O)c3ccccc3[N+](=O)[O-])c(Br)cc21
Cn1c(=O)n(C)c2cc(NC(=O)c3ccccc3[N+](=O)[O-])c(Br)cc21
N-(6-bromo-1,3-dimethyl-2-oxobenzimidazol-5-yl)-2-nitrobenzamide