Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES O=C(Cn1cncn1)c1ccccc1Br?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. 16.743
b. 9.418
c. 11.744
d. 4.390
e. 1.780
Answer: a. 16.743\%.
{#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(Cn1cncn1)c1ccccc1Br
O=C(Cn1cncn1)c1ccccc1Br
1-(2-bromophenyl)-2-(1,2,4-triazol-1-yl)ethanone