Task: Answer the multiple choice question.
Query: Which drug has a 12.227\% 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 other words.
Options:
a. CCOc1ccc(CSc2nc(C)cc(COC)c2C#N)cc1OCC
b. O=C(CCCCn1c(=O)[nH]c2ccccc2c1=O)NCCc1c[nH]c2ccccc12
Answer: a. CCOc1ccc(CSc2nc(C)cc(COC)c2C#N)cc1OCC
{#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#}
CCOc1ccc(CSc2nc(C)cc(COC)c2C#N)cc1OCC
CCOc1ccc(CSc2nc(C)cc(COC)c2C#N)cc1OCC
2-[(3,4-diethoxyphenyl)methylsulfanyl]-4-(methoxymethyl)-6-methylpyridine-3-carbonitrile