Task: Answer the multiple-choice question.
Question: Which drug has a 3.347\% 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: CCN(CC)C(=O)C(=O)N/N=C/c1ccc(Br)cc1
b: O=c1[nH]c(=O)n(C2CCCO2)cc1F
Answer: a. CCN(CC)C(=O)C(=O)N/N=C/c1ccc(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-[(E)-(4-bromophenyl)methylideneamino]-N',N'-diethyloxamide