Problem statement: Answer the MCQ question.
Question: What is the hERG inhibition at a concentration of 10uM of a drug with the SMILES CCOc1ccc(-c2c(=O)n(OCc3ccc([N+](=O)[O-])cc3)c3ccccc3[n+]2[O-])c(OCC)c1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: -3.126
b: 1.614
c: 14.457
d: -4.953
e: -2.689
Answer: b. 1.614%.
{#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}.
CCOc1ccc(-c2c(=O)n(OCc3ccc([N+](=O)[O-])cc3)c3ccccc3[n+]2[O-])c(OCC)c1
CCOc1ccc(-c2c(=O)n(OCc3ccc([N+](=O)[O-])cc3)c3ccccc3[n+]2[O-])c(OCC)c1
3-(2,4-diethoxyphenyl)-1-[(4-nitrophenyl)methoxy]-4-oxidoquinoxalin-4-ium-2-one