Task: Answer the multiple choice question.
Query: Which compound exhibits a -12.577% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCOC(=O)C1C(C)N=C2SCC(=O)N2C1c1cccc(Br)c1
b: Cc1ccccc1S(=O)(=O)Cc1ccc(C(=O)NCCN(C)Cc2ccccc2)o1
Answer: a. CCOC(=O)C1C(C)N=C2SCC(=O)N2C1c1cccc(Br)c1
{#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#}
CCOC(=O)C1C(C)N=C2SCC(=O)N2C1c1cccc(Br)c1
CCOC(=O)C1C(C)N=C2SCC(=O)N2C1c1cccc(Br)c1
ethyl 5-(3-bromophenyl)-7-methyl-3-oxo-6,7-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate