Task: Answer the MCQ question.
Question: Which drug exhibits a -3.199\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=c1[nH][nH]c(-c2ccccc2)c1C=Nc1ccccc1Cl
(b) CCOC(=O)C(=O)N=Nc1c(O)n(C)c2ccccc12
(c) COc1ccc(NC(=O)CCN2C(=O)c3cccc([N+](=O)[O-])c3C2=O)cc1
Answer: b. CCOC(=O)C(=O)N=Nc1c(O)n(C)c2ccccc12
{#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)C(=O)N=Nc1c(O)n(C)c2ccccc12
CCOC(=O)C(=O)N=Nc1c(O)n(C)c2ccccc12
ethyl 2-[(2-hydroxy-1-methylindol-3-yl)diazenyl]-2-oxoacetate