Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 20.222\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCOC(=O)c1cc(-c2ccccc2)sc1NC(=O)C(C)C
[b] CCc1ccc(/C=C\C(=O)N2CCCC2)cc1
Answer: a. CCOC(=O)c1cc(-c2ccccc2)sc1NC(=O)C(C)C
{#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)c1cc(-c2ccccc2)sc1NC(=O)C(C)C
CCOC(=O)c1cc(-c2ccccc2)sc1NC(=O)C(C)C
ethyl 2-(2-methylpropanoylamino)-5-phenylthiophene-3-carboxylate