Task: Answer the multiple-choice question.
Query: Which drug exhibits a 10.948% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CCCC1=[N+](CC)CCn2c(C)ccc21.[Br-]
b. O=C(Nc1ccccc1N1CCCC1)c1ccccc1Cl
c. O=C(NNc1cccc(Cl)n1)c1ccccc1CC[N+](=O)[O-]
Answer: a. CCCC1=[N+](CC)CCn2c(C)ccc21.[Br-]
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCC1=[N+](CC)CCn2c(C)ccc21.[Br-]
CCCC1=[N+](CC)CCn2c(C)ccc21.[Br-]
2-ethyl-6-methyl-1-propyl-3,4-dihydropyrrolo[1,2-a]pyrazin-2-ium;bromide