Task: Answer the multiple-choice question.
Query: What is the hERG inhibition at 1uM of a compound with the SMILES O=C(Cn1c2ccccc2c(=O)c2cc([N+](=O)[O-])ccc21)Nc1ccccc1Cl?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a. 6.812
b. 11.557
c. 7.279
Answer: a. 6.812\%.
{#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}.
O=C(Cn1c2ccccc2c(=O)c2cc([N+](=O)[O-])ccc21)Nc1ccccc1Cl
O=C(Cn1c2ccccc2c(=O)c2cc([N+](=O)[O-])ccc21)Nc1ccccc1Cl
N-(2-chlorophenyl)-2-(2-nitro-9-oxoacridin-10-yl)acetamide