Task: Answer the MCQ question.
Query: What is the hERG inhibition at 1uM of a drug with the SMILES CCN1CCN(c2nc3c(c(=O)n(C)c(=O)n3C)n2CCSc2ncccn2)CC1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
a 3.736
b 0.752
c 13.533
d 11.085
e 18.865
Answer: c. 13.533\%.
{#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}.
8-(4-ethylpiperazin-1-yl)-1,3-dimethyl-7-(2-pyrimidin-2-ylsulfanylethyl)purine-2,6-dione