Task: Answer the multiple choice question.
Question: Which compound exhibits a -0.063\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) CCNC(=O)NC1c2ccccc2CSc2ccccc21.O
b) Cc1nc2ncnn2c(C)c1CCC(=O)NC(C)c1ccc2c(c1)OCCO2
c) O=[N+]([O-])c1ccc(Sc2cc[n+]([O-])c3ccccc23)c([N+](=O)[O-])c1
d) Nc1ccc(-n2nnnc2-c2ccco2)cc1
e) COc1ccccc1N1CCN(CC(=O)Nc2ccnn2C2CCCC2)CC1
Answer: c. O=[N+]([O-])c1ccc(Sc2cc[n+]([O-])c3ccccc23)c([N+](=O)[O-])c1
{#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=[N+]([O-])c1ccc(Sc2cc[n+]([O-])c3ccccc23)c([N+](=O)[O-])c1
O=[N+]([O-])c1ccc(Sc2cc[n+]([O-])c3ccccc23)c([N+](=O)[O-])c1
4-(2,4-dinitrophenyl)sulfanyl-1-oxidoquinolin-1-ium