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(Cn1c[n+](CC(=O)c2ccc([N+](=O)[O-])cc2)cn1)c1ccc([N+](=O)[O-])cc1.[Br-]?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
a 28.131
b 7.188
c 11.757
d 11.041
Answer: a. 28.131\%.
{#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(Cn1c[n+](CC(=O)c2ccc([N+](=O)[O-])cc2)cn1)c1ccc([N+](=O)[O-])cc1.[Br-]
O=C(Cn1c[n+](CC(=O)c2ccc([N+](=O)[O-])cc2)cn1)c1ccc([N+](=O)[O-])cc1.[Br-]
1-(4-nitrophenyl)-2-[4-[2-(4-nitrophenyl)-2-oxoethyl]-1,2,4-triazol-4-ium-1-yl]ethanone;bromide