Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 10uM of a drug with the SMILES COc1ccc(-c2c(-c3cc(OC)cc(OC)c3)n(C)c3ccc(Br)cc23)cc1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
(a) 18.593
(b) 18.419
(c) -8.831
Answer: a. 18.593%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__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_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
COc1ccc(-c2c(-c3cc(OC)cc(OC)c3)n(C)c3ccc(Br)cc23)cc1
COc1ccc(-c2c(-c3cc(OC)cc(OC)c3)n(C)c3ccc(Br)cc23)cc1
5-bromo-2-(3,5-dimethoxyphenyl)-3-(4-methoxyphenyl)-1-methylindole