Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 20.431% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a COc1cnn(-c2ccc(F)cc2)c(=O)c1Br
b Cn1ncc(C#N)c1NC(=O)C1CC(c2ccc(Cl)cc2)=NO1
Answer: a. COc1cnn(-c2ccc(F)cc2)c(=O)c1Br
{#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#}
COc1cnn(-c2ccc(F)cc2)c(=O)c1Br
COc1cnn(-c2ccc(F)cc2)c(=O)c1Br
4-bromo-2-(4-fluorophenyl)-5-methoxypyridazin-3-one