Task: Answer the multiple-choice question.
Query: Which compound exhibits a 19.858\% 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: CC(=O)c1ccc(NC(=O)C2CCCNC2=O)cc1
b: COc1ccccc1COC(=O)Nc1c(C)nn(C)c1Cl
Answer: a. CC(=O)c1ccc(NC(=O)C2CCCNC2=O)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#}
CC(=O)c1ccc(NC(=O)C2CCCNC2=O)cc1
CC(=O)c1ccc(NC(=O)C2CCCNC2=O)cc1
[C][C][=Branch1][C][=O][C][=C][C][=C][Branch1][#C][N][C][=Branch1][C][=O][C][C][C][C][N][C][Ring1][=Branch1][=O][C][=C][Ring1][S]
N-(4-acetylphenyl)-2-oxopiperidine-3-carboxamide