Problem statement: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a compound with the SMILES c1ccc2nc3c(nc2c1)[nH]c1ccccc13?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
a. 9.730
b. 21.908
c. -0.640
d. 13.507
Answer: c. -0.640\%.
{#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}.
c1ccc2nc3c(nc2c1)[nH]c1ccccc13
c1ccc2nc3c(nc2c1)[nH]c1ccccc13
6H-indolo[2,3-b]quinoxaline