Task: Answer the multiple-choice question.
Question: Which compound exhibits a -2.092\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) C/C=C/Cn1c(Br)nc2c1c(=O)[nH]c(=O)n2C
b.) CCCn1c(N)c(C(=O)CSc2nncs2)c(=O)[nH]c1=O
Answer: a. C/C=C/Cn1c(Br)nc2c1c(=O)[nH]c(=O)n2C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
C/C=C/Cn1c(Br)nc2c1c(=O)[nH]c(=O)n2C
C/C=C/Cn1c(Br)nc2c1c(=O)[nH]c(=O)n2C
8-bromo-7-[(E)-but-2-enyl]-3-methylpurine-2,6-dione