Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES CCCCNC(=O)c1cnc2n(c1=O)CCS2?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
a: 3.482
b: 2.039
Answer: a. 3.482\%.
{#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}.
CCCCNC(=O)c1cnc2n(c1=O)CCS2
CCCCNC(=O)c1cnc2n(c1=O)CCS2
N-butyl-5-oxo-2,3-dihydro-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide