Task: Answer the MCQ question.
Query: Which drug exhibits a 14.731\% 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] C/C(CC(=O)Nc1cccc2c1CCCC2)=N\NC(=O)c1ccccc1N
[b] CC(C)=CC(=O)Nc1ccc(Br)cc1
Answer: b. CC(C)=CC(=O)Nc1ccc(Br)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#}
N-(4-bromophenyl)-3-methylbut-2-enamide