Task: Answer the multiple-choice question.
Question: Which drug exhibits a 5.317\% 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) CCCCN1C(=O)C(O)=C(C(C)=O)C1c1ccccc1
b) NS(=O)(=O)c1ccc(Nc2nc3ccccc3nc2NS(=O)(=O)c2cccc([N+](=O)[O-])c2)cc1
c) CCN1CC(CN(C)Cc2nc(-c3ccc(Cl)cc3)no2)CC1=O
Answer: b. NS(=O)(=O)c1ccc(Nc2nc3ccccc3nc2NS(=O)(=O)c2cccc([N+](=O)[O-])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#}
NS(=O)(=O)c1ccc(Nc2nc3ccccc3nc2NS(=O)(=O)c2cccc([N+](=O)[O-])c2)cc1
NS(=O)(=O)c1ccc(Nc2nc3ccccc3nc2NS(=O)(=O)c2cccc([N+](=O)[O-])c2)cc1
oxido-oxo-[3-[[3-(4-sulfamoylanilino)quinoxalin-2-yl]sulfamoyl]phenyl]azanium