Problem statement: Answer the multiple-choice question.
Query: Which drug has a 12.248\% 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) CCn1c(SCc2ccccc2)nc2c1c(=O)[nH]c(=O)n2C
b) O=C(Nc1ccccc1)Nc1nc(-c2ccc(Cl)cc2)cs1
Answer: a. CCn1c(SCc2ccccc2)nc2c1c(=O)[nH]c(=O)n2C
{#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#}
CCn1c(SCc2ccccc2)nc2c1c(=O)[nH]c(=O)n2C
CCn1c(SCc2ccccc2)nc2c1c(=O)[nH]c(=O)n2C
8-benzylsulfanyl-7-ethyl-3-methylpurine-2,6-dione