Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 21.144% 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.) N#Cc1ccc(OCC(=O)N/N=C(\CCC(=O)O)c2cccs2)cc1
b.) COc1ccccc1C(=O)NNC(=O)C(=O)NC(C)(C)C
c.) CCC1(c2ccc(N)cc2)CCC(=O)NC1=O
d.) CCOC(=O)c1c([N+](=O)[O-])c(C)[nH]c(=O)c1C#N
Answer: d. CCOC(=O)c1c([N+](=O)[O-])c(C)[nH]c(=O)c1C#N
{#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#}
CCOC(=O)c1c([N+](=O)[O-])c(C)[nH]c(=O)c1C#N
CCOC(=O)c1c([N+](=O)[O-])c(C)[nH]c(=O)c1C#N
ethyl 5-cyano-2-methyl-3-nitro-6-oxo-1H-pyridine-4-carboxylate