Task: Answer the MCQ question.
Question: Which compound has a 18.663\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCOc1ccc(C(C)=O)cc1CC(C(N)=O)C(N)=O
[b] COCCNC(=O)C(=O)Nc1ccc(Br)cc1
Answer: a. CCOc1ccc(C(C)=O)cc1CC(C(N)=O)C(N)=O
{#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#}
CCOc1ccc(C(C)=O)cc1CC(C(N)=O)C(N)=O
CCOc1ccc(C(C)=O)cc1CC(C(N)=O)C(N)=O
2-[(5-acetyl-2-ethoxyphenyl)methyl]propanediamide