Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 13.081\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. O=C(C[n+]1ccccc1)Nc1ccccc1
b. CCn1nnnc1NCc1ccc(SC)cc1
c. COC(=O)C1=CN(c2ccc(OC)cc2)C=C(C(=O)OC)C1c1ccc(C)c([N+](=O)[O-])c1
Answer: a. O=C(C[n+]1ccccc1)Nc1ccccc1
{#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#}
O=C(C[n+]1ccccc1)Nc1ccccc1
O=C(C[n+]1ccccc1)Nc1ccccc1
N-phenyl-2-pyridin-1-ium-1-ylacetamide