Task: Answer the MCQ question.
Question: Which compound exhibits a 4.461\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CCCC(=O)Nc1ccc(NC(=O)c2ccccn2)cn1
[b] COc1cc(C(C)=O)ccc1OCC(O)CN1CCN(c2ccccc2)CC1
[c] COc1ccc(OC)c(C2C3=C(COC3=O)Nc3cc4c(cc32)OCO4)c1
Answer: a. CCCC(=O)Nc1ccc(NC(=O)c2ccccn2)cn1
{#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#}
CCCC(=O)Nc1ccc(NC(=O)c2ccccn2)cn1
CCCC(=O)Nc1ccc(NC(=O)c2ccccn2)cn1
N-[6-(butanoylamino)pyridin-3-yl]pyridine-2-carboxamide