Problem statement: Answer the MCQ question.
Query: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(C)c([N+](=O)[O-])c1)n2CC?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: 9.856
b: 19.133
c: 1.893
d: -15.196
e: 19.384
Answer: d. -15.196\%.
{#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}.
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(C)c([N+](=O)[O-])c1)n2CC
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(C)c([N+](=O)[O-])c1)n2CC
3-butyl-7-ethyl-8-(4-methyl-3-nitrophenyl)purine-2,6-dione