Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES CCCCOC1CC(c2ccc(OCc3ccc(OC)cc3)c(OC)c2)N(C)O1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a 12.953
b 16.567
c -0.614
d 5.477
Answer: a. 12.953\%.
{#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}.
5-butoxy-3-[3-methoxy-4-[(4-methoxyphenyl)methoxy]phenyl]-2-methyl-1,2-oxazolidine