Task: Answer the multiple choice question.
Query: Which drug exhibits a -0.459\% 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) CCS(=O)(=O)N1CCC(C(=O)NCc2ccccn2)CC1
(b) CC(=O)NCC(=O)OCC(=O)Nc1ccc(C(C)=O)cc1
Answer: a. CCS(=O)(=O)N1CCC(C(=O)NCc2ccccn2)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#}
1-ethylsulfonyl-N-(pyridin-2-ylmethyl)piperidine-4-carboxamide