Problem statement: Answer the multiple-choice question.
Query: Which compound has a -1.601\% 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)C1CCN(S(=O)(=O)c2ccc3c4c(cccc24)C(=O)N3)CC1
b) Cc1ccc(Cl)cc1NC(=O)CCC(=O)O
Answer: a. CCOC(=O)C1CCN(S(=O)(=O)c2ccc3c4c(cccc24)C(=O)N3)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#}
ethyl1-[(2-oxo-1H-benzo[cd]indol-6-yl)sulfonyl]piperidine-4-carboxylate