Task: Answer the MCQ question.
Question: Which drug exhibits a 4.038% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCOc1ccc(-c2nc(C#N)c(N3CCN(Cc4ccccc4)CC3)o2)cc1
b: Fc1ccccc1-c1nc(-c2ccccc2)no1
Answer: a. CCOc1ccc(-c2nc(C#N)c(N3CCN(Cc4ccccc4)CC3)o2)cc1
{#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#}
CCOc1ccc(-c2nc(C#N)c(N3CCN(Cc4ccccc4)CC3)o2)cc1
CCOc1ccc(-c2nc(C#N)c(N3CCN(Cc4ccccc4)CC3)o2)cc1
5-(4-benzylpiperazin-1-yl)-2-(4-ethoxyphenyl)-1,3-oxazole-4-carbonitrile