Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 5.821\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CNS(=O)(=O)c1ccc(NC(=O)c2csc(C)c2)cc1
[b] CN1CCN(CCCNC(=S)Nc2ccc(F)c(Cl)c2)CC1
[c] CCOC(=O)c1cnn2cc(-c3[nH]ncc3[N+](=O)[O-])cnc12
[d] CCOC(=O)C1CCN(CC(=O)Nc2c(C(=O)OC)n(C)c3cccc(C)c23)CC1
Answer: c. CCOC(=O)c1cnn2cc(-c3[nH]ncc3[N+](=O)[O-])cnc12
{#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#}
CCOC(=O)c1cnn2cc(-c3[nH]ncc3[N+](=O)[O-])cnc12
CCOC(=O)c1cnn2cc(-c3[nH]ncc3[N+](=O)[O-])cnc12
ethyl 6-(4-nitro-1H-pyrazol-5-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylate