Task: Answer the MCQ question.
Question: Which compound exhibits a -1.568\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOC(=O)C1CCN(C(=O)CSc2ccc(Br)cc2)CC1
b. CCN(CC)S(=O)(=O)c1ccc2nnn(O)c2c1
Answer: a. CCOC(=O)C1CCN(C(=O)CSc2ccc(Br)cc2)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#}
CCOC(=O)C1CCN(C(=O)CSc2ccc(Br)cc2)CC1
CCOC(=O)C1CCN(C(=O)CSc2ccc(Br)cc2)CC1
ethyl1-[2-(4-bromophenyl)sulfanylacetyl]piperidine-4-carboxylate