Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES COCCNc1nc(N)c([N+](=O)[O-])c(NC2CCCCC2)n1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a: 6.887
b: 7.965
Answer: a. 6.887\%.
{#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}.
COCCNc1nc(N)c([N+](=O)[O-])c(NC2CCCCC2)n1
COCCNc1nc(N)c([N+](=O)[O-])c(NC2CCCCC2)n1
4-N-cyclohexyl-2-N-(2-methoxyethyl)-5-nitropyrimidine-2,4,6-triamine