Task: Answer the MCQ question.
Question: Which compound has a 13.969\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CSc1cc(-c2ccccc2)[nH]c(=O)c1C#N
[b] O=C(O)/C=C\C(=O)Nc1ccc(N2CCN(c3ccc(Cl)c(Cl)c3)CC2)cc1
Answer: a. CSc1cc(-c2ccccc2)[nH]c(=O)c1C#N
{#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#}
CSc1cc(-c2ccccc2)[nH]c(=O)c1C#N
CSc1cc(-c2ccccc2)[nH]c(=O)c1C#N
4-methylsulfanyl-2-oxo-6-phenyl-1H-pyridine-3-carbonitrile