Task: Answer the MCQ question.
Question: Which compound has a 6.179% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(O)CCC(=O)c1cccc2ccccc12
(b) O=C(c1cc2cc(Br)ccc2oc1=O)N1CCN(c2ccccn2)CC1
Answer: a. O=C(O)CCC(=O)c1cccc2ccccc12
{#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#}
O=C(O)CCC(=O)c1cccc2ccccc12
O=C(O)CCC(=O)c1cccc2ccccc12
4-naphthalen-1-yl-4-oxobutanoic acid