Task: Answer the MCQ question.
Question: Which drug exhibits a 11.254\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CC1=[N+](CC(=O)c2ccccc2)CCn2cccc21.[Br-]
b) CCOc1ccc(CN2C(=O)c3ccccc3C2C(=O)NCc2cccnc2)cc1
Answer: a. CC1=[N+](CC(=O)c2ccccc2)CCn2cccc21.[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#}
CC1=[N+](CC(=O)c2ccccc2)CCn2cccc21.[Br-]
CC1=[N+](CC(=O)c2ccccc2)CCn2cccc21.[Br-]
2-(1-methyl-3,4-dihydropyrrolo[1,2-a]pyrazin-2-ium-2-yl)-1-phenylethanone;bromide