Task: Answer the multiple-choice question.
Question: Which compound has a 1.141\% human ether-à-go-go related gene (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. COc1ccc(C2CC(c3ccccc3OC(C)=O)=NN2C(C)=O)cc1
b. CC(=O)c1cc(C#N)c(NCc2ccccc2)nc1C
Answer: b. CC(=O)c1cc(C#N)c(NCc2ccccc2)nc1C
{#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#}
CC(=O)c1cc(C#N)c(NCc2ccccc2)nc1C
CC(=O)c1cc(C#N)c(NCc2ccccc2)nc1C
5-acetyl-2-(benzylamino)-6-methylpyridine-3-carbonitrile