Task: Answer the multiple choice question.
Question: Which compound exhibits a 12.519\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCOCCCNC(=O)CN1C(=O)c2ccccc2C1=O
(b) COCc1cc(C)nc(Nc2ccc(C)c(C)c2)c1C#N
Answer: a. CCCCOCCCNC(=O)CN1C(=O)c2ccccc2C1=O
{#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#}
CCCCOCCCNC(=O)CN1C(=O)c2ccccc2C1=O
CCCCOCCCNC(=O)CN1C(=O)c2ccccc2C1=O
N-(3-butoxypropyl)-2-(1,3-dioxoisoindol-2-yl)acetamide