Task: Answer the MCQ question.
Question: Which compound exhibits a 7.021\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(CCC(=O)c1ccccc1)NCCOc1ccccc1
[b] COc1ccccc1-n1c(=O)[nH]c2c(C(N)=O)nc(-c3cccnc3)nc21
Answer: a. O=C(CCC(=O)c1ccccc1)NCCOc1ccccc1
{#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#}
O=C(CCC(=O)c1ccccc1)NCCOc1ccccc1
O=C(CCC(=O)c1ccccc1)NCCOc1ccccc1
4-oxo-N-(2-phenoxyethyl)-4-phenylbutanamide