Task: Answer the multiple choice question.
Question: Which compound has a 20.991\% 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 Cn1c(Cc2cccs2)nnc1SCC(=O)N1CCCc2ccccc21
b CCCC1=NN2C(=N)/C(=C\c3ccc(OCCOc4ccc(NC(C)=O)cc4)c(OC)c3)C(=O)N=C2S1
c CN(C)c1ccc(Nc2ccc([N+](=O)[O-])cn2)cc1
Answer: c. CN(C)c1ccc(Nc2ccc([N+](=O)[O-])cn2)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#}
CN(C)c1ccc(Nc2ccc([N+](=O)[O-])cn2)cc1
CN(C)c1ccc(Nc2ccc([N+](=O)[O-])cn2)cc1
[6-[4-(dimethylamino)anilino]pyridin-3-yl]-oxido-oxoazanium