Task: Answer the MCQ question.
Query: Which compound has a -23.222% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccc(Cc2nc(-c3ccc(Br)o3)no2)cc1OC
(b) Cc1oc2c(c(C)cc3oc(=O)c(CC(=O)N[C@@H](CC(C)C)C(=O)O)c(C)c32)c1C
Answer: a. COc1ccc(Cc2nc(-c3ccc(Br)o3)no2)cc1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(Cc2nc(-c3ccc(Br)o3)no2)cc1OC
COc1ccc(Cc2nc(-c3ccc(Br)o3)no2)cc1OC
3-(5-bromofuran-2-yl)-5-[(4,5-dimethoxyphenyl)methyl]-1,2,4-oxadiazole