Task: Answer the multiple-choice question.
Query: Which drug exhibits a -1.157\% 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] CCOc1ccccc1NS(=O)(=O)c1cccc2nsnc12
[b] O=C(NCc1ccccc1)c1cc[n+](CC(=O)c2cccs2)cc1.[Br-]
Answer: b. O=C(NCc1ccccc1)c1cc[n+](CC(=O)c2cccs2)cc1.[Br-]
{#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#}
O=C(NCc1ccccc1)c1cc[n+](CC(=O)c2cccs2)cc1.[Br-]
O=C(NCc1ccccc1)c1cc[n+](CC(=O)c2cccs2)cc1.[Br-]
N-benzyl-1-(2-oxo-2-thiophen-2-ylethyl)pyridin-1-ium-4-carboxamide;bromide