Task: Answer the multiple choice question.
Query: Which compound exhibits a 5.412\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(C(C)=O)cc1CSc1nnc(Nc2c(C)cccc2C)s1
b. N#Cc1ccccc1OCC(=O)N1CCc2ccccc2C1
Answer: b. N#Cc1ccccc1OCC(=O)N1CCc2ccccc2C1
{#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#Cc1ccccc1OCC(=O)N1CCc2ccccc2C1
N#Cc1ccccc1OCC(=O)N1CCc2ccccc2C1
2-[2-(3,4-dihydro-1H-isoquinolin-2-yl)-2-oxoethoxy]benzonitrile