Problem statement: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 10uM of a drug with the SMILES O=C(C[n+]1cc(Br)cc(Br)c1)c1cccc([N+](=O)[O-])c1.[Cl-]?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) -7.518
(b) 16.653
(c) -8.396
(d) 12.885
(e) 19.862
Answer: c. -8.396%.
{#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(C[n+]1cc(Br)cc(Br)c1)c1cccc([N+](=O)[O-])c1.[Cl-]
O=C(C[n+]1cc(Br)cc(Br)c1)c1cccc([N+](=O)[O-])c1.[Cl-]
2-(3,5-dibromopyridin-1-ium-1-yl)-1-(3-nitrophenyl)ethanone;chloride