Task: Answer the MCQ question.
Question: Which compound has a 0.820\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOc1ccccc1N1CCN(c2nc(N)c(C#N)c(CC#N)c2C#N)CC1
(b) CC[n+]1c(/C=C/Nc2ccccc2)sc2ccccc21.[I-]
Answer: a. CCOc1ccccc1N1CCN(c2nc(N)c(C#N)c(CC#N)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#}
CCOc1ccccc1N1CCN(c2nc(N)c(C#N)c(CC#N)c2C#N)CC1
CCOc1ccccc1N1CCN(c2nc(N)c(C#N)c(CC#N)c2C#N)CC1
2-amino-4-(cyanomethyl)-6-[4-(2-ethoxyphenyl)piperazin-1-yl]pyridine-3,5-dicarbonitrile