Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 10uM of a drug with the SMILES COCCNc1ccc(-c2nn(C)c(=O)c3ccccc23)cc1[N+](=O)[O-]?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: -18.715
b: 15.174
c: -2.993
d: 1.230
e: 13.832
Answer: b. 15.174%.
{#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}.
COCCNc1ccc(-c2nn(C)c(=O)c3ccccc23)cc1[N+](=O)[O-]
COCCNc1ccc(-c2nn(C)c(=O)c3ccccc23)cc1[N+](=O)[O-]
4-[4-(2-methoxyethylamino)-3-nitrophenyl]-2-methylphthalazin-1-one