Task: Answer the multiple choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CCCCc1c(O)n2c(nc3ccccc32)[nH]c1=O?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a 10.707
b 15.853
Answer: b. 15.853\%.
{#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}.
CCCCc1c(O)n2c(nc3ccccc32)[nH]c1=O
CCCCc1c(O)n2c(nc3ccccc32)[nH]c1=O
3-butyl-4-hydroxy-1H-pyrimido[1,2-a]benzimidazol-2-one