Task: Answer the MCQ question.
Query: Which compound exhibits a 16.850\% 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.) O=C(CN1C(=O)c2ccc([N+](=O)[O-])cc2C1=O)NC1CCS(=O)(=O)C1
b.) Nc1cc(N2CCCC2)c(Cl)cc1[N+](=O)[O-]
c.) O=C1N(O)C2(C=CCCC2)/C(=N\O)C12CCCCC2
Answer: b. Nc1cc(N2CCCC2)c(Cl)cc1[N+](=O)[O-]
{#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#}
Nc1cc(N2CCCC2)c(Cl)cc1[N+](=O)[O-]
Nc1cc(N2CCCC2)c(Cl)cc1[N+](=O)[O-]
(2-amino-5-chloro-4-pyrrolidin-1-ylphenyl)-oxido-oxoazanium