Task: Answer the multiple-choice question.
Query: Which compound exhibits a 16.929\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(CSc1nc(-c2ccccc2)ns1)NCC1CCCO1
(b) [O-]C1=N/[N+](=C/c2ccc(Cl)c(Cl)c2)CC1
(c) CC(C)CNC(=S)Nc1ccc(Oc2ccccc2)cc1
Answer: b. [O-]C1=N/[N+](=C/c2ccc(Cl)c(Cl)c2)CC1
{#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#}
[O-]C1=N/[N+](=C/c2ccc(Cl)c(Cl)c2)CC1
[O-]C1=N/[N+](=C/c2ccc(Cl)c(Cl)c2)CC1
(2E)-2-[(3,4-dichlorophenyl)methylidene]-3,4-dihydropyrazol-2-ium-5-olate