Problem statement: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a compound with the SMILES O=C(Nc1ccccn1)c1cc2cc([N+](=O)[O-])ccc2s1?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
[a] 18.665
[b] 4.661
[c] 15.590
Answer: a. 18.665\%.
{#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}.
O=C(Nc1ccccn1)c1cc2cc([N+](=O)[O-])ccc2s1
O=C(Nc1ccccn1)c1cc2cc([N+](=O)[O-])ccc2s1
oxido-oxo-[2-(pyridin-2-ylcarbamoyl)-1-benzothiophen-5-yl]azanium