Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 9.940\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. NS(=O)(=O)c1ccc(NC(=S)NC2CCCCCC2)cc1
b. O=[N+]([O-])[N-][n+]1cnn(Cc2ccccc2)c1
c. COc1cc(NC(=O)Cc2ccc([N+](=O)[O-])cc2)c(C(=O)O)cc1OC
Answer: b. O=[N+]([O-])[N-][n+]1cnn(Cc2ccccc2)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-])[N-][n+]1cnn(Cc2ccccc2)c1
O=[N+]([O-])[N-][n+]1cnn(Cc2ccccc2)c1
(1-benzyl-1,2,4-triazol-4-ium-4-yl)-nitroazanide