Task: Answer the MCQ question.
Query: Which compound has a 13.164\% 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 O=[N+]([O-])c1ccc(CN2CCN(Cc3c[nH]c4ccccc34)CC2)cc1
b CCc1c(O)nc(SCc2ccccc2)n(C(C)CC)c1=O
c CS(=O)c1nc(-c2ccc(Br)cc2)cc(-c2ccccc2)c1C#N
Answer: b. CCc1c(O)nc(SCc2ccccc2)n(C(C)CC)c1=O
{#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#}
CCc1c(O)nc(SCc2ccccc2)n(C(C)CC)c1=O
CCc1c(O)nc(SCc2ccccc2)n(C(C)CC)c1=O
2-benzylsulfanyl-3-butan-2-yl-5-ethyl-6-hydroxypyrimidin-4-one