Task: Answer the multiple-choice question.
Query: Which compound has a -0.854\% 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] CCOC(=O)CCCCNCc1ccccc1.Cl
[b] COc1ccccc1CNS(=O)(=O)c1c(C(=O)N2CCCCC2)c(C)n(C)c1C
Answer: a. CCOC(=O)CCCCNCc1ccccc1.Cl
{#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#}
CCOC(=O)CCCCNCc1ccccc1.Cl
CCOC(=O)CCCCNCc1ccccc1.Cl
ethyl 5-(benzylamino)pentanoate;hydrochloride