Task: Answer the MCQ question.
Question: Which compound exhibits a 12.262\% human ether-à-go-go related gene (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: CCOC(=O)c1c(NC(=O)C2CCCO2)sc(C)c1C
b: CC1(C)Cc2c(sc(NC(=O)c3ccco3)c2C#N)CO1
Answer: a. CCOC(=O)c1c(NC(=O)C2CCCO2)sc(C)c1C
{#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#}
CCOC(=O)c1c(NC(=O)C2CCCO2)sc(C)c1C
CCOC(=O)c1c(NC(=O)C2CCCO2)sc(C)c1C
ethyl 4,5-dimethyl-2-(oxolane-2-carbonylamino)thiophene-3-carboxylate