Task: Answer the MCQ question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES Cn1c(=O)c2c([nH]c(=O)n2C)n(C)c1=O?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a: 10.776
b: 17.502
c: 18.717
Answer: c. 18.717\%.
{#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}.
1,3,7-trimethyl-9H-purine-2,6,8-trione