Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 5.890\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCCC(=O)Nc1sc2c(c1C#N)CC(C)(C)OC2
(b) CC(=O)c1cccc(NC(=O)COC(=O)C2=COCCO2)c1
Answer: b. CC(=O)c1cccc(NC(=O)COC(=O)C2=COCCO2)c1
{#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#}
CC(=O)c1cccc(NC(=O)COC(=O)C2=COCCO2)c1
CC(=O)c1cccc(NC(=O)COC(=O)C2=COCCO2)c1
[2-(3-acetylanilino)-2-oxoethyl] 2,3-dihydro-1,4-dioxine-5-carboxylate