Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 9.814\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: Br.CCCCn1c(=N)n(CC(=O)c2ccco2)c2ccccc21
b: O=C(OCc1ccc(Br)cc1)c1ccncc1
c: COc1ccccc1NS(=O)(=O)c1cc([N+](=O)[O-])ccc1N/N=C/c1c[nH]c2ccccc12
d: COc1cccc(C(=O)N2CCN=C2SCc2cccnc2)c1OC
Answer: b. O=C(OCc1ccc(Br)cc1)c1ccncc1
{#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#}
(4-bromophenyl)methylpyridine-4-carboxylate