Task: Answer the multiple-choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES Nc1ccn(CC(=O)NCCNc2ccc([N+](=O)[O-])cn2)c(=O)n1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: 5.584
b: 7.668
c: 9.941
d: 14.196
e: 8.881
Answer: b. 7.668\%.
{#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}.
Nc1ccn(CC(=O)NCCNc2ccc([N+](=O)[O-])cn2)c(=O)n1
Nc1ccn(CC(=O)NCCNc2ccc([N+](=O)[O-])cn2)c(=O)n1
2-(4-amino-2-oxopyrimidin-1-yl)-N-[2-[(5-nitropyridin-2-yl)amino]ethyl]acetamide