Task: Answer the multiple choice question.
Query: Which drug exhibits a -49.537% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CN(C)C(=O)N1CCN(C(=O)c2ccccc2Sc2ccccc2C#N)CC1
b: CC(C(=O)NCc1ccccn1)c1ccc([N+](=O)[O-])cc1
c: COc1ccc(CN(Cc2cc3cccc(C)c3n3nnnc23)C(=O)N2CCOCC2)cc1
d: O=c1c2ccc(Cl)cc2[nH]c(=S)n1CCC1=CCCCC1
Answer: b. CC(C(=O)NCc1ccccn1)c1ccc([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_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC(C(=O)NCc1ccccn1)c1ccc([N+](=O)[O-])cc1
CC(C(=O)NCc1ccccn1)c1ccc([N+](=O)[O-])cc1
2-(4-nitrophenyl)-N-(pyridin-2-ylmethyl)propanamide