Task: Answer the MCQ question.
Query: Which compound has a 13.419\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) COc1cccc(-c2noc(-c3ccc(Br)o3)n2)c1
b) Cc1ccc(-c2onc3ccc(C4OCCO4)cc23)cc1
c) COc1nc(OC)nc(N2CCC(NC(=O)C(Cc3ccc(C(C)C)cc3)NC(C)=O)CC2)n1
Answer: a. COc1cccc(-c2noc(-c3ccc(Br)o3)n2)c1
{#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#}
5-(5-bromofuran-2-yl)-3-(3-methoxyphenyl)-1,2,4-oxadiazole