Problem statement: Answer the MCQ question.
Question: Which compound has a 8.684\% 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: COc1ccc(OC)c(N(CC(=O)NCc2cccnc2)S(C)(=O)=O)c1
b: CCOC(=O)c1c[nH]c(=O)c(Br)c1O
c: CCOc1ccc(N=NC2C(=O)N(C(N)=S)N=C2C)cc1
Answer: b. CCOC(=O)c1c[nH]c(=O)c(Br)c1O
{#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#}
CCOC(=O)c1c[nH]c(=O)c(Br)c1O
CCOC(=O)c1c[nH]c(=O)c(Br)c1O
ethyl 5-bromo-4-hydroxy-6-oxo-1H-pyridine-3-carboxylate