Task: Answer the multiple-choice question.
Query: Which drug exhibits a 13.299\% 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: COc1ccc(C(=O)C[n+]2ccc(C)cc2)cc1.[Br-]
b: CCOc1ccc(NC(=O)NNC(=O)c2cc3ccccc3cc2O)cc1
Answer: a. COc1ccc(C(=O)C[n+]2ccc(C)cc2)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#}
COc1ccc(C(=O)C[n+]2ccc(C)cc2)cc1.[Br-]
COc1ccc(C(=O)C[n+]2ccc(C)cc2)cc1.[Br-]
1-(4-methoxyphenyl)-2-(4-methylpyridin-1-ium-1-yl)ethanone;bromide