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 drug with the SMILES CCCCn1c(-c2cccs2)nc2nc3ccccc3nc21?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) 1.908
(b) 18.724
(c) 15.230
(d) -41.059
(e) 7.066
Answer: a. 1.908\%.
{#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(-c2cccs2)nc2nc3ccccc3nc21
CCCCn1c(-c2cccs2)nc2nc3ccccc3nc21
3-butyl-2-(thiophen-2-yl)imidazo[4,5-b]quinoxaline