Task: Answer the multiple choice question.
Query: Which compound has a 3.176% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=C(O)Cn1cc(/C=N/NC(=O)c2cc3cc(Br)ccc3o2)c2ccccc21
b CCc1c(C)nc(SCC(=O)N2CCCCC2)[nH]c1=O
Answer: b. CCc1c(C)nc(SCC(=O)N2CCCCC2)[nH]c1=O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCc1c(C)nc(SCC(=O)N2CCCCC2)[nH]c1=O
CCc1c(C)nc(SCC(=O)N2CCCCC2)[nH]c1=O
5-ethyl-4-methyl-2-(2-oxo-2-piperidin-1-ylethyl)sulfanyl-1H-pyrimidin-6-one