Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES CCCCn1cnc2c([nH]c3ccccc32)c1=O?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a) 16.000
b) 19.568
c) -3.455
d) 4.983
Answer: a. 16.000\%.
{#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}.
CCCCn1cnc2c([nH]c3ccccc32)c1=O
CCCCn1cnc2c([nH]c3ccccc32)c1=O
3-butyl-5H-pyrimido[5,4-b]indol-4-one