Problem statement: Answer the multiple choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM of a compound with the SMILES CCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(OC)c(Br)c1)n2CCOC?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: -9.181
b: 0.260
c: -20.121
d: 7.509
e: -9.289
Answer: c. -20.121%.
{#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}.
CCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(OC)c(Br)c1)n2CCOC
CCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(OC)c(Br)c1)n2CCOC
8-(3-bromo-4-methoxyphenyl)-7-(2-methoxyethyl)-3-propylpurine-2,6-dione