Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES CC(O)CNc1ccc(-c2nn(C)c(=O)c3ccccc23)cc1[N+](=O)[O-]?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
(a) 5.093
(b) 13.218
Answer: a. 5.093\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__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_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
CC(O)CNc1ccc(-c2nn(C)c(=O)c3ccccc23)cc1[N+](=O)[O-]
CC(O)CNc1ccc(-c2nn(C)c(=O)c3ccccc23)cc1[N+](=O)[O-]
4-[4-(2-hydroxypropylamino)-3-nitrophenyl]-2-methylphthalazin-1-one