Task: Answer the multiple-choice question.
Query: Which compound has a 21.159\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CN(C)/C=C/C(=O)c1ncc(C(F)(F)F)cc1Cl
[b] CC(C)(C)NC(=O)NC(=O)COc1ccccn1
[c] CCc1ccccc1NC(=O)COC(=O)c1c(C)nsc1NC
Answer: b. CC(C)(C)NC(=O)NC(=O)COc1ccccn1
{#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#}
CC(C)(C)NC(=O)NC(=O)COc1ccccn1
CC(C)(C)NC(=O)NC(=O)COc1ccccn1
N-(tert-butylcarbamoyl)-2-pyridin-2-yloxyacetamide