Task: Answer the multiple choice question.
Question: What is the hERG inhibition at a concentration of 10uM of a compound with the SMILES CCOC(=O)c1c([N+](=O)[O-])c(C)[nH]c(=O)c1C#N?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) 10.569
(b) 21.144
(c) 11.404
(d) 11.431
(e) 2.727
Answer: b. 21.144%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
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