Task: Answer the multiple-choice question.
Question: Which compound exhibits a -13.951% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCCCC(=O)Nc1ccc(NC(=O)c2ccccc2[N+](=O)[O-])cc1OC
b: CCCCOC(=O)c1[nH]c(C)c(C(=O)OC)c1C
Answer: a. CCCCC(=O)Nc1ccc(NC(=O)c2ccccc2[N+](=O)[O-])cc1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCC(=O)Nc1ccc(NC(=O)c2ccccc2[N+](=O)[O-])cc1OC
CCCCC(=O)Nc1ccc(NC(=O)c2ccccc2[N+](=O)[O-])cc1OC
N-[3-methoxy-4-(pentanoylamino)phenyl]-2-nitrobenzamide