Task: Answer the multiple-choice question.
Question: Which compound exhibits a 13.502\% 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] COCCNC(=O)c1cc2c(=O)[nH]c3ccccc3c2s1
[b] CCOC(=O)C1C(C(=O)Nc2cccc(C(F)(F)F)c2)C1C(=O)NC(C)C
Answer: a. COCCNC(=O)c1cc2c(=O)[nH]c3ccccc3c2s1
{#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#}
COCCNC(=O)c1cc2c(=O)[nH]c3ccccc3c2s1
COCCNC(=O)c1cc2c(=O)[nH]c3ccccc3c2s1
N-(2-methoxyethyl)-4-oxo-5H-thieno[3,2-c]quinoline-2-carboxamide