Task: Answer the multiple choice question.
Question: Which compound exhibits a 5.379\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: N#Cc1c2c(c(-c3ccco3)[nH]c1=O)CCCC2
b: CC#CCN(Cc1ccco1)C(=O)C1CCC(=O)N(Cc2ccccc2F)C1
Answer: a. N#Cc1c2c(c(-c3ccco3)[nH]c1=O)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#}
N#Cc1c2c(c(-c3ccco3)[nH]c1=O)CCCC2
N#Cc1c2c(c(-c3ccco3)[nH]c1=O)CCCC2
1-(furan-2-yl)-3-oxo-5,6,7,8-tetrahydro-2H-isoquinoline-4-carbonitrile