Task: Answer the MCQ question.
Question: Which compound has a 3.492\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCCCn1c2c(c3ccccc31)CCc1nonc1-2
[b] CCOC(=O)C1(Cc2cccc(F)c2)CCN(Cc2cnn(CC)c2C)CC1
Answer: a. CCCCn1c2c(c3ccccc31)CCc1nonc1-2
{#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#}
CCCCn1c2c(c3ccccc31)CCc1nonc1-2
CCCCn1c2c(c3ccccc31)CCc1nonc1-2
10-butyl-4,5-dihydro-[1,2,5]oxadiazolo[3,4-a]carbazole