Task: Answer the MCQ question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES Cn1c(=O)[nH]c(=O)c2[nH]c(N(Cc3ccccc3)Cc3ccccc3)nc21?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a 20.289
b -1.426
c 11.440
d 0.695
Answer: b. -1.426\%.
{#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}.
Cn1c(=O)[nH]c(=O)c2[nH]c(N(Cc3ccccc3)Cc3ccccc3)nc21
Cn1c(=O)[nH]c(=O)c2[nH]c(N(Cc3ccccc3)Cc3ccccc3)nc21
8-(dibenzylamino)-3-methyl-7H-purine-2,6-dione