Task: Answer the multiple choice question.
Question: What is the hERG inhibition at 1uM of a drug with the SMILES O=c1c2c(ncn2C2CCCC2)n(Cc2ccccc2)c(=O)n1CCOc1ccc(Br)cc1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a.) 5.557
b.) 4.248
c.) 16.115
Answer: b. 4.248\%.
{#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}.
O=c1c2c(ncn2C2CCCC2)n(Cc2ccccc2)c(=O)n1CCOc1ccc(Br)cc1
O=c1c2c(ncn2C2CCCC2)n(Cc2ccccc2)c(=O)n1CCOc1ccc(Br)cc1
3-benzyl-1-[2-(4-bromophenoxy)ethyl]-7-cyclopentylpurine-2,6-dione