Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES CCCCOC(=O)C(C#N)c1nc2ccccc2nc1N1CCOCC1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a: 1.715
b: -5.340
Answer: b. -5.340\%.
{#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}.
butyl 2-cyano-2-(3-morpholin-4-ylquinoxalin-2-yl)acetate