Task: Answer the MCQ question.
Question: Which compound exhibits a 8.287\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCCS(=O)(=O)N1CCC(C(=O)NCCCOCC)CC1
b: CC(=O)c1ccc(OCc2cc([N+](=O)[O-])cc3c2OCOC3)cc1
Answer: a. CCCS(=O)(=O)N1CCC(C(=O)NCCCOCC)CC1
{#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#}
CCCS(=O)(=O)N1CCC(C(=O)NCCCOCC)CC1
CCCS(=O)(=O)N1CCC(C(=O)NCCCOCC)CC1
N-(3-ethoxypropyl)-1-propylsulfonylpiperidine-4-carboxamide