Task: Answer the multiple-choice question.
Question: Which drug has a 4.614\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) CCOc1ccccc1N(CC(=O)N1CCCCCC1)S(C)(=O)=O
b) CC(=O)c1cccc(NC(=O)c2ccc(-c3ccccc3[N+](=O)[O-])o2)c1
c) CCCCOC(=O)c1ccc(NC(=O)Nc2ccc(OC)c(OC)c2)cc1
Answer: b. CC(=O)c1cccc(NC(=O)c2ccc(-c3ccccc3[N+](=O)[O-])o2)c1
{#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-(3-acetylphenyl)-5-(2-nitrophenyl)furan-2-carboxamide