Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 1.394\% 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)c1ccc2c(c1)C(=O)c1ccccc1-2
[b] COc1ccc(N(C(=O)C(C)C)S(=O)(=O)c2cccc([N+](=O)[O-])c2)cc1
Answer: a. COCCNC(=O)c1ccc2c(c1)C(=O)c1ccccc1-2
{#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)c1ccc2c(c1)C(=O)c1ccccc1-2
COCCNC(=O)c1ccc2c(c1)C(=O)c1ccccc1-2
N-(2-methoxyethyl)-9-oxofluorene-2-carboxamide