Task: Answer the multiple-choice question.
Question: Which drug has a 1.184\% 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: Cn1c2ccccc2n2c(=O)cc(-c3ccccc3)c(C#N)c12
b: Cc1cc(C(=O)Nc2cccnc2)cs1
Answer: a. Cn1c2ccccc2n2c(=O)cc(-c3ccccc3)c(C#N)c12
{#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#}
Cn1c2ccccc2n2c(=O)cc(-c3ccccc3)c(C#N)c12
Cn1c2ccccc2n2c(=O)cc(-c3ccccc3)c(C#N)c12
5-methyl-1-oxo-3-phenylpyrido[1,2-a]benzimidazole-4-carbonitrile