Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CCCCn1c(=O)c(-[n+]2ccccc2)c([O-])c2ccccc21?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] 4.656
[b] 6.443
[c] 12.614
[d] 13.682
Answer: a. 4.656\%.
{#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(=O)c(-[n+]2ccccc2)c([O-])c2ccccc21
CCCCn1c(=O)c(-[n+]2ccccc2)c([O-])c2ccccc21
1-butyl-2-oxo-3-pyridin-1-ium-1-ylquinolin-4-olate