Problem statement: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 10uM of a drug with the SMILES CC1(C)C(=O)OC(c2cccn2-c2cccc([N+](=O)[O-])c2)C2(CCCCC2)C1=O?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a. -18.269
b. 20.774
Answer: a. -18.269%.
{#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}.
CC1(C)C(=O)OC(c2cccn2-c2cccc([N+](=O)[O-])c2)C2(CCCCC2)C1=O
CC1(C)C(=O)OC(c2cccn2-c2cccc([N+](=O)[O-])c2)C2(CCCCC2)C1=O
4,4-dimethyl-1-[1-(3-nitrophenyl)pyrrol-2-yl]-2-oxaspiro[5.5]undecane-3,5-dione