Task: Answer the MCQ question.
Question: Which compound exhibits a 1.312\% 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: COc1ccc(-c2cc(C(=O)NCCCN3CCOCC3)no2)cc1
b: COc1ccc(-c2cc3ccc(OCc4nn[nH]n4)cc3oc2=O)cc1OC
c: Cc1cccc2nc(CSc3nc4cc([N+](=O)[O-])ccc4s3)cn12
Answer: c. Cc1cccc2nc(CSc3nc4cc([N+](=O)[O-])ccc4s3)cn12
{#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#}
2-[(5-methylimidazo[1,2-a]pyridin-2-yl)methylsulfanyl]-5-nitro-1,3-benzothiazole