Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES Cn1c(=O)[nH]c(=O)c2c1nc(Br)n2CC(O)COc1ccc(Cl)cc1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
(a) -0.137
(b) -23.660
(c) 8.235
Answer: b. -23.660\%.
{#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}.
Cn1c(=O)[nH]c(=O)c2c1nc(Br)n2CC(O)COc1ccc(Cl)cc1
Cn1c(=O)[nH]c(=O)c2c1nc(Br)n2CC(O)COc1ccc(Cl)cc1
8-bromo-7-[3-(4-chlorophenoxy)-2-hydroxypropyl]-3-methylpurine-2,6-dione