Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 7.994\% 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) COC(=O)CCC(=O)Nc1cccc(Br)c1
b) O=C(NC(=S)Nc1ccc(Cc2ccncc2)cc1)c1ccccc1Cl
Answer: a. COC(=O)CCC(=O)Nc1cccc(Br)c1
{#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#}
methyl 4-(3-bromoanilino)-4-oxobutanoate