Problem statement: Answer the multiple choice question.
Query: Which drug has a 1.393\% 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 CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc3ccccc3c1)n2CC
b COc1ccc(NC(=O)COC(=O)c2c(F)cccc2Cl)cc1OC
c O=[N+]([O-])c1ccc(NC(=S)NCCc2ccccc2)cc1
Answer: a. CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc3ccccc3c1)n2CC
{#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#}
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc3ccccc3c1)n2CC
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc3ccccc3c1)n2CC
3-butyl-7-ethyl-8-naphthalen-2-ylpurine-2,6-dione