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 S=c1[nH]c2cc(Br)cnc2[nH]1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a. 13.354
b. 18.209
c. -1.128
Answer: b. 18.209\%.
{#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}.
S=c1[nH]c2cc(Br)cnc2[nH]1
S=c1[nH]c2cc(Br)cnc2[nH]1
6-bromo-1,3-dihydroimidazo[4,5-b]pyridine-2-thione