Task: Answer the multiple-choice question.
Query: Which compound has a 8.143\% 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) CC1CN(S(=O)(=O)c2cccc(C(=O)OCC(=O)NCc3ccccc3)c2)CC(C)O1
(b) COc1ccc(Cc2nnc(SC(C)C(=O)Nc3ccc(F)cc3Cl)o2)cc1
(c) CCn1c2ccccc2c2nnc(NN)nc21
Answer: c. CCn1c2ccccc2c2nnc(NN)nc21
{#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#}
CCn1c2ccccc2c2nnc(NN)nc21
CCn1c2ccccc2c2nnc(NN)nc21
(5-ethyl-[1,2,4]triazino[5,6-b]indol-3-yl)hydrazine