Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -3.143% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CC(=O)c1cc(C#N)c(N2CCCCC2)nc1C
[b] NC(=O)C1CCN(C(=O)C2(NC(=O)Nc3cccc(F)c3)CCCCC2)CC1
Answer: a. CC(=O)c1cc(C#N)c(N2CCCCC2)nc1C
{#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#}
CC(=O)c1cc(C#N)c(N2CCCCC2)nc1C
CC(=O)c1cc(C#N)c(N2CCCCC2)nc1C
5-acetyl-6-methyl-2-piperidin-1-ylpyridine-3-carbonitrile