Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 10uM of a compound with the SMILES CCCCn1c(-c2ccccc2)nc2c(=O)n(C)c(=O)[nH]c21?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a 12.902
b -26.444
c 18.261
d 5.992
e -1.961
Answer: c. 18.261%.
{#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}.
CCCCn1c(-c2ccccc2)nc2c(=O)n(C)c(=O)[nH]c21
CCCCn1c(-c2ccccc2)nc2c(=O)n(C)c(=O)[nH]c21
9-butyl-1-methyl-8-phenyl-3H-purine-2,6-dione