Problem statement: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 10uM of a drug with the SMILES O=C(Nc1nc2ccccc2[nH]1)c1cccc([N+](=O)[O-])c1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] 6.515
[b] -0.562
[c] 11.874
[d] 13.200
Answer: a. 6.515%.
{#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}.
O=C(Nc1nc2ccccc2[nH]1)c1cccc([N+](=O)[O-])c1
O=C(Nc1nc2ccccc2[nH]1)c1cccc([N+](=O)[O-])c1
N-(1H-benzimidazol-2-yl)-3-nitrobenzamide