Task: Answer the MCQ question.
Query: What is the hERG inhibition at 1uM of a compound with the SMILES CN(C(=O)COC(=O)CN1C(=O)c2cccc([N+](=O)[O-])c2C1=O)c1ccccc1?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
[a] 6.157
[b] 4.359
Answer: a. 6.157\%.
{#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}.
CN(C(=O)COC(=O)CN1C(=O)c2cccc([N+](=O)[O-])c2C1=O)c1ccccc1
CN(C(=O)COC(=O)CN1C(=O)c2cccc([N+](=O)[O-])c2C1=O)c1ccccc1
[2-(N-methylanilino)-2-oxoethyl] 2-(4-nitro-1,3-dioxoisoindol-2-yl)acetate