Task: Answer the multiple-choice question.
Question: Which compound has a 21.638\% 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) CCc1nnc(NS(=O)(=O)c2ccc(NS(=O)(=O)c3ccccc3[N+](=O)[O-])cc2)s1
b) FC(F)(F)c1cccc(CNC2CCN(Cc3ccccc3)CC2)c1
c) N#Cc1nc(-c2ccc(OCc3ccc(Cl)cc3)cc2)oc1N1CCOCC1
Answer: a. CCc1nnc(NS(=O)(=O)c2ccc(NS(=O)(=O)c3ccccc3[N+](=O)[O-])cc2)s1
{#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#}
CCc1nnc(NS(=O)(=O)c2ccc(NS(=O)(=O)c3ccccc3[N+](=O)[O-])cc2)s1
CCc1nnc(NS(=O)(=O)c2ccc(NS(=O)(=O)c3ccccc3[N+](=O)[O-])cc2)s1
[2-[[4-[(5-ethyl-1,3,4-thiadiazol-2-yl)sulfamoyl]phenyl]sulfamoyl]phenyl]-oxido-oxoazanium