Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES CCCCc1nc(NCCN2CCOCC2)c(C#N)c2c1COC(C)(C)C2?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a.) 2.054
b.) 8.892
c.) -0.792
Answer: a. 2.054\%.
{#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}.
CCCCc1nc(NCCN2CCOCC2)c(C#N)c2c1COC(C)(C)C2
CCCCc1nc(NCCN2CCOCC2)c(C#N)c2c1COC(C)(C)C2
8-butyl-3,3-dimethyl-6-(2-morpholin-4-ylethylamino)-1,4-dihydropyrano[3,4-c]pyridine-5-carbonitrile