Task: Answer the MCQ question.
Query: Which compound has a -12.666% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCN1/C(=C/C(C)=O)Sc2ccc(OC)cc21
[b] COc1cc(NC(=O)CSc2nc(C)c(C)c(C)n2)c(C)cc1[N+](=O)[O-]
Answer: a. CCN1/C(=C/C(C)=O)Sc2ccc(OC)cc21
{#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#}
CCN1/C(=C/C(C)=O)Sc2ccc(OC)cc21
CCN1/C(=C/C(C)=O)Sc2ccc(OC)cc21
(1Z)-1-(3-ethyl-5-methoxy-1,3-benzothiazol-2-ylidene)propan-2-one