Task: Answer the multiple choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES CCCCn1c(N)c(C(=O)NCCN2CCOCC2)c2nc3ccccc3nc21?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) -21.023
(b) 0.679
(c) 5.904
(d) 6.684
Answer: a. -21.023\%.
{#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(N)c(C(=O)NCCN2CCOCC2)c2nc3ccccc3nc21
CCCCn1c(N)c(C(=O)NCCN2CCOCC2)c2nc3ccccc3nc21
2-amino-1-butyl-N-(2-morpholin-4-ylethyl)pyrrolo[3,2-b]quinoxaline-3-carboxamide