Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 11.466\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCC1(C)Cc2[nH]c(=O)c(C#N)cc2CO1
[b] CC(=O)C1=C(O)C(=O)N(CCc2ccccc2)C1c1ccccc1[N+](=O)[O-]
Answer: a. CCC1(C)Cc2[nH]c(=O)c(C#N)cc2CO1
{#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#}
CCC1(C)Cc2[nH]c(=O)c(C#N)cc2CO1
CCC1(C)Cc2[nH]c(=O)c(C#N)cc2CO1
7-ethyl-7-methyl-2-oxo-5,8-dihydro-1H-pyrano[4,3-b]pyridine-3-carbonitrile