Task: Answer the MCQ question.
Query: Which compound has a -23.137% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCOC(=O)c1ccc(NC(=O)CN2C(=O)CSC(C)C2=O)cc1
[b] NNC(=O)c1ccc(COc2ccc([N+](=O)[O-])cc2)o1
Answer: b. NNC(=O)c1ccc(COc2ccc([N+](=O)[O-])cc2)o1
{#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#}
NNC(=O)c1ccc(COc2ccc([N+](=O)[O-])cc2)o1
NNC(=O)c1ccc(COc2ccc([N+](=O)[O-])cc2)o1
5-[(4-nitrophenoxy)methyl]furan-2-carbohydrazide