Task: Answer the multiple-choice question.
Query: What is the hERG inhibition at a concentration of 10uM of a compound with the SMILES COc1cc(/C=C(/C#N)c2ccccc2)ccc1Oc1ccc([N+](=O)[O-])cn1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
[a] 16.421
[b] -51.723
[c] 8.309
Answer: a. 16.421%.
{#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}.
COc1cc(/C=C(/C#N)c2ccccc2)ccc1Oc1ccc([N+](=O)[O-])cn1
COc1cc(/C=C(/C#N)c2ccccc2)ccc1Oc1ccc([N+](=O)[O-])cn1
(E)-3-[3-methoxy-4-(5-nitropyridin-2-yl)oxyphenyl]-2-phenylprop-2-enenitrile