Task: Answer the multiple-choice question.
Query: Which compound exhibits a 18.655% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCn1c(=S)sc2c(=O)n(CC(=O)Nc3ccccc3)c(C)nc21
[b] COCCNC(=O)c1cc(-c2ccncc2)nc2ccc(S(=O)(=O)N3CCOCC3)cc12
Answer: a. CCn1c(=S)sc2c(=O)n(CC(=O)Nc3ccccc3)c(C)nc21
{#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#}
CCn1c(=S)sc2c(=O)n(CC(=O)Nc3ccccc3)c(C)nc21
CCn1c(=S)sc2c(=O)n(CC(=O)Nc3ccccc3)c(C)nc21
2-(3-ethyl-5-methyl-7-oxo-2-sulfanylidene-[1,3]thiazolo[4,5-d]pyrimidin-6-yl)-N-phenylacetamide