Task: Answer the MCQ question.
Query: Which compound exhibits a 15.393\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCOC(=O)N1CCC(NC(=O)CCC(=O)N2CC(C)Oc3ccccc32)CC1
b) COCCn1c(=O)[nH]c2cc(C(=O)NC3CCCCCC3)ccc2c1=O
Answer: a. CCOC(=O)N1CCC(NC(=O)CCC(=O)N2CC(C)Oc3ccccc32)CC1
{#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#}
ethyl 4-[[4-(2-methyl-2,3-dihydro-1,4-benzoxazin-4-yl)-4-oxobutanoyl]amino]piperidine-1-carboxylate