Task: Answer the MCQ question.
Query: Which compound exhibits a 5.257\% 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 other words.
Options:
a: CCn1c(=O)n(CC(=O)NCc2ccco2)c(=O)c2ccccc21
b: CCn1c(-c2c(Cl)c(C)nn2C)n[nH]c1=S
c: COC(=O)c1ccccc1C(=O)c1cccc2ccccc12
Answer: b. CCn1c(-c2c(Cl)c(C)nn2C)n[nH]c1=S
{#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(-c2c(Cl)c(C)nn2C)n[nH]c1=S
CCn1c(-c2c(Cl)c(C)nn2C)n[nH]c1=S
3-(4-chloro-2,5-dimethylpyrazol-3-yl)-4-ethyl-1H-1,2,4-triazole-5-thione