Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM of a compound with the SMILES COCC(=O)NC1CCN(CC(=O)Nc2ccc(OC)cc2[N+](=O)[O-])CC1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a: 20.819
b: -2.456
c: 5.094
d: -1.922
Answer: b. -2.456%.
{#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}.
COCC(=O)NC1CCN(CC(=O)Nc2ccc(OC)cc2[N+](=O)[O-])CC1
COCC(=O)NC1CCN(CC(=O)Nc2ccc(OC)cc2[N+](=O)[O-])CC1
2-[4-[(2-methoxyacetyl)amino]piperidin-1-yl]-N-(4-methoxy-2-nitrophenyl)acetamide