Task: Answer the multiple-choice question.
Query: Which compound exhibits a 13.515\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCOC(=O)CN(C(=O)CSc1nnc(Cc2ccccc2)n1-c1ccc(C)cc1)c1ccccc1
[b] CCCC(=O)Nc1sc2c(c1C#N)CCCC2
Answer: b. CCCC(=O)Nc1sc2c(c1C#N)CCCC2
{#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)Nc1sc2c(c1C#N)CCCC2
CCCC(=O)Nc1sc2c(c1C#N)CCCC2
N-(3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)butanamide