Task: Answer the multiple-choice question.
Query: Which drug has a -27.373\% 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] COC(=O)c1ccc2c(C)c(C(C)(C)O)[nH]c2c1
[b] C=CCn1c(SCCN2CCCCC2)nc2c1c(=O)[nH]c(=O)n2C
Answer: b. C=CCn1c(SCCN2CCCCC2)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#}
C=CCn1c(SCCN2CCCCC2)nc2c1c(=O)[nH]c(=O)n2C
C=CCn1c(SCCN2CCCCC2)nc2c1c(=O)[nH]c(=O)n2C
3-methyl-8-(2-piperidin-1-ylethylsulfanyl)-7-prop-2-enylpurine-2,6-dione