Task: Answer the MCQ question.
Query: Which compound has a 8.600\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCCN1C(=O)SC(CC(=O)Nc2ccccc2)C1=O
[b] CC(=O)c1ccc(OCCCC(=O)NCC(c2ccco2)N(C)C)cc1
Answer: a. CCCN1C(=O)SC(CC(=O)Nc2ccccc2)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#}
CCCN1C(=O)SC(CC(=O)Nc2ccccc2)C1=O
CCCN1C(=O)SC(CC(=O)Nc2ccccc2)C1=O
2-(2,4-dioxo-3-propyl-1,3-thiazolidin-5-yl)-N-phenylacetamide