Task: Answer the multiple-choice question.
Question: Which drug exhibits a -20.373% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) COc1ccc(S(=O)(=O)N(CC(N)=O)C2CCCCC2)cc1Cl
(b) CCN1CC(CN(C)Cc2nc(-c3ccc(OC)c4ccccc34)oc2C)CC1=O
(c) COc1ccc2nnc(-c3ccccc3)n2n1
Answer: c. COc1ccc2nnc(-c3ccccc3)n2n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc2nnc(-c3ccccc3)n2n1
COc1ccc2nnc(-c3ccccc3)n2n1
6-methoxy-3-phenyl-[1,2,4]triazolo[4,3-b]pyridazine