Task: Answer the MCQ question.
Question: Which drug has a -64.056\% 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: CCCCCCn1c(SCCN2CCOCC2)nc2c1c(=O)[nH]c(=O)n2C
b: O=C(NCC(NS(=O)(=O)OCC(Cl)(Cl)Cl)c1ccccc1)C(F)(F)F
Answer: a. CCCCCCn1c(SCCN2CCOCC2)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#}
CCCCCCn1c(SCCN2CCOCC2)nc2c1c(=O)[nH]c(=O)n2C
CCCCCCn1c(SCCN2CCOCC2)nc2c1c(=O)[nH]c(=O)n2C
7-hexyl-3-methyl-8-(2-morpholin-4-ylethylsulfanyl)purine-2,6-dione