Problem statement: Answer the MCQ question.
Query: Which drug has a 20.129\% 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. Cc1ccc(C(=O)COC(=O)C(C)N2C(=O)C3C4CCC(C4)C3C2=O)cc1C
b. CC(=O)c1ccccc1OC(=O)c1ccc([N+](=O)[O-])o1
c. COC(=O)C1CCN(CC(=O)Nc2ccc(OC)c(Cl)c2)CC1
Answer: b. CC(=O)c1ccccc1OC(=O)c1ccc([N+](=O)[O-])o1
{#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#}
CC(=O)c1ccccc1OC(=O)c1ccc([N+](=O)[O-])o1
CC(=O)c1ccccc1OC(=O)c1ccc([N+](=O)[O-])o1
(2-acetylphenyl) 5-nitrofuran-2-carboxylate