Problem statement: Answer the MCQ question.
Question: Which compound has a 15.885\% 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: O=C(NC1CCCC1)C1CCC(=O)N1C1CCCC1
b: Cl.O=C(NCCCN1CCOCC1)c1c(O)c2ccccc2[nH]c1=O
Answer: a. O=C(NC1CCCC1)C1CCC(=O)N1C1CCCC1
{#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#}
O=C(NC1CCCC1)C1CCC(=O)N1C1CCCC1
O=C(NC1CCCC1)C1CCC(=O)N1C1CCCC1
N,1-dicyclopentyl-5-oxopyrrolidine-2-carboxamide