Task: Answer the multiple choice question.
Question: Which compound exhibits a 3.482\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CCCCCN(C(=O)CCC(=O)OCC(=O)c1ccc(C(C)(C)C)cc1)c1c(N)n(CCCC)c(=O)[nH]c1=O
b.) CCCCNC(=O)c1cnc2n(c1=O)CCS2
Answer: b. CCCCNC(=O)c1cnc2n(c1=O)CCS2
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
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