Problem statement: Answer the MCQ question.
Question: Which drug has a -6.280\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: O=[N+]([O-])c1ccc2oc(-c3ccccc3)nc2c1
b: Nc1ccc(C(CC(=O)O)n2cccc2)cc1
c: COCc1cc(=O)n2c([nH]c3ccccc32)c1C#N
Answer: c. COCc1cc(=O)n2c([nH]c3ccccc32)c1C#N
{#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#}
COCc1cc(=O)n2c([nH]c3ccccc32)c1C#N
COCc1cc(=O)n2c([nH]c3ccccc32)c1C#N
3-(methoxymethyl)-1-oxo-5H-pyrido[1,2-a]benzimidazole-4-carbonitrile