Task: Answer the multiple-choice question.
Query: Which compound exhibits a 24.866\% 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 other words.
Options:
a.) COc1ccc(-c2nc(C(=O)NCC3CCCO3)cc3c2[nH]c2ccccc23)cc1
b.) COc1ccc(-n2cc(C#N)c(=O)[nH]c2=O)cc1
Answer: b. COc1ccc(-n2cc(C#N)c(=O)[nH]c2=O)cc1
{#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#}
COc1ccc(-n2cc(C#N)c(=O)[nH]c2=O)cc1
COc1ccc(-n2cc(C#N)c(=O)[nH]c2=O)cc1
1-(4-methoxyphenyl)-2,4-dioxopyrimidine-5-carbonitrile