Problem statement: Answer the MCQ question.
Query: Which drug has a 20.644% 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. CC(=O)Nc1cccc(C(=O)OCC(=O)Nc2c(C)nn(-c3ccccc3)c2C)c1
b. CCOC(=O)c1sc(NC(=O)c2cc(-c3ccccc3)nc3ccccc23)c(C#N)c1C
Answer: b. CCOC(=O)c1sc(NC(=O)c2cc(-c3ccccc3)nc3ccccc23)c(C#N)c1C
{#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)c1sc(NC(=O)c2cc(-c3ccccc3)nc3ccccc23)c(C#N)c1C
CCOC(=O)c1sc(NC(=O)c2cc(-c3ccccc3)nc3ccccc23)c(C#N)c1C
ethyl 4-cyano-3-methyl-5-[(2-phenylquinoline-4-carbonyl)amino]thiophene-2-carboxylate