Problem statement: Answer the multiple choice question.
Question: Which compound has a 12.825\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a COc1ccccc1NC(=O)CSc1nccc(=O)[nH]1
b CN(CC(=O)Nc1ccccc1Br)C(=O)C1CCN(C(=O)c2ccc(Cl)cc2)CC1
c NC1=Nc2cccc3cccc1c23
Answer: c. NC1=Nc2cccc3cccc1c23
{#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#}
NC1=Nc2cccc3cccc1c23
NC1=Nc2cccc3cccc1c23
benzo[cd]indol-2-amine