Task: Answer the MCQ question.
Query: Which compound has a 1.409% 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 COc1ccc(-c2nc3cc(NC(=S)NC(=O)Cc4ccccc4)ccc3o2)cc1
b CCOC(=O)C1=C(COC(=O)Cc2ccc(Br)cc2)NC(=O)NC1C
Answer: b. CCOC(=O)C1=C(COC(=O)Cc2ccc(Br)cc2)NC(=O)NC1C
{#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)C1=C(COC(=O)Cc2ccc(Br)cc2)NC(=O)NC1C
CCOC(=O)C1=C(COC(=O)Cc2ccc(Br)cc2)NC(=O)NC1C
ethyl 6-[[2-(4-bromophenyl)acetyl]oxymethyl]-4-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate