Task: Answer the MCQ question.
Query: Which compound has a 13.428\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CC(C)C1CC(C(=O)Nc2ccccc2)C(=O)O1
b Cc1cc(C)n2nc(NCc3cccc(Br)c3)nc2n1
Answer: a. CC(C)C1CC(C(=O)Nc2ccccc2)C(=O)O1
{#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#}
CC(C)C1CC(C(=O)Nc2ccccc2)C(=O)O1
CC(C)C1CC(C(=O)Nc2ccccc2)C(=O)O1
2-oxo-N-phenyl-5-propan-2-yloxolane-3-carboxamide