Task: Answer the MCQ question.
Query: Which drug exhibits a 19.297\% 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 Cc1csc(C)[n+]1CC(=O)c1ccccc1.[Br-]
b Cc1nn(CCOc2ccccc2Cl)c(C)c1[N+](=O)[O-]
Answer: a. Cc1csc(C)[n+]1CC(=O)c1ccccc1.[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#}
Cc1csc(C)[n+]1CC(=O)c1ccccc1.[Br-]
Cc1csc(C)[n+]1CC(=O)c1ccccc1.[Br-]
2-(2,4-dimethyl-1,3-thiazol-3-ium-3-yl)-1-phenylethanone;bromide