Task: Answer the multiple-choice question.
Query: What is the hERG inhibition at 1uM of a drug with the SMILES Cn1c(=O)c2c(nc(Oc3ccc4c(c3)OCO4)n2Cc2ccc(Br)cc2)n(C)c1=O?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
(a) 2.264
(b) 5.717
Answer: a. 2.264\%.
{#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)c2c(nc(Oc3ccc4c(c3)OCO4)n2Cc2ccc(Br)cc2)n(C)c1=O
Cn1c(=O)c2c(nc(Oc3ccc4c(c3)OCO4)n2Cc2ccc(Br)cc2)n(C)c1=O
8-(1,3-benzodioxol-5-yloxy)-7-[(4-bromophenyl)methyl]-1,3-dimethylpurine-2,6-dione