Problem statement: Answer the multiple choice question.
Question: Which drug has a 5.262\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: O=C(c1ccc(Br)o1)N1CCCc2ccccc21
b: Cc1ccc(CSc2nc(-c3ccccc3)c(C#N)c(=O)[nH]2)cc1
c: COC(=O)c1ccc(N=Nc2ccccc2)cc1
Answer: a. O=C(c1ccc(Br)o1)N1CCCc2ccccc21
{#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#}
O=C(c1ccc(Br)o1)N1CCCc2ccccc21
O=C(c1ccc(Br)o1)N1CCCc2ccccc21
(5-bromofuran-2-yl)-(3,4-dihydro-2H-quinolin-1-yl)methanone