Task: Answer the multiple-choice question.
Question: Which compound exhibits a 11.452\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CN(CCN1CCOCC1)C(=O)CC1C(=O)NCCN1Cc1ccccc1F
b: COc1ccccc1N1CCN(c2nc(C)cc(C)c2C#N)CC1
c: CC(=O)c1cn(CCCCCCCn2cc(C(C)=O)c(=O)[nH]c2=O)c(=O)[nH]c1=O
Answer: b. COc1ccccc1N1CCN(c2nc(C)cc(C)c2C#N)CC1
{#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#}
COc1ccccc1N1CCN(c2nc(C)cc(C)c2C#N)CC1
COc1ccccc1N1CCN(c2nc(C)cc(C)c2C#N)CC1
2-[4-(2-methoxyphenyl)piperazin-1-yl]-4,6-dimethylpyridine-3-carbonitrile