Task: Answer the multiple choice question.
Question: Which drug exhibits a 1.306% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1ccccc1OCCNC(=O)c1ccccc1C
b) CCOC(=O)CC(=O)CSc1nc(C)cc(C)c1C#N
Answer: b. CCOC(=O)CC(=O)CSc1nc(C)cc(C)c1C#N
{#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#}
CCOC(=O)CC(=O)CSc1nc(C)cc(C)c1C#N
CCOC(=O)CC(=O)CSc1nc(C)cc(C)c1C#N
ethyl 4-(3-cyano-4,6-dimethylpyridin-2-yl)sulfanyl-3-oxobutanoate