Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 5.268\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: Cn1c2ccccc2c2nnc(SCC(=O)NC3CC3)nc21
b: CN(C)CCCNc1c2c(nc3ccccc13)CCC2.Cl
c: CC(=O)C1=C(O)C(=O)N(c2cccnc2)C1c1ccc([N+](=O)[O-])cc1
Answer: c. CC(=O)C1=C(O)C(=O)N(c2cccnc2)C1c1ccc([N+](=O)[O-])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#}
CC(=O)C1=C(O)C(=O)N(c2cccnc2)C1c1ccc([N+](=O)[O-])cc1
CC(=O)C1=C(O)C(=O)N(c2cccnc2)C1c1ccc([N+](=O)[O-])cc1
3-acetyl-4-hydroxy-2-(4-nitrophenyl)-1-pyridin-3-yl-2H-pyrrol-5-one