Task: Answer the multiple-choice question.
Query: Which drug has a -13.681% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCOC(=O)c1ccc(S(=O)(=O)N2CCN(S(=O)(=O)CC)CC2)cc1
b. CCN(CC)C(=O)Oc1ccc(Br)c2ccccc12
Answer: b. CCN(CC)C(=O)Oc1ccc(Br)c2ccccc12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCN(CC)C(=O)Oc1ccc(Br)c2ccccc12
CCN(CC)C(=O)Oc1ccc(Br)c2ccccc12
(4-bromonaphthalen-1-yl)N,N-diethylcarbamate