Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 12.963\% 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 other words.
Options:
a. O=C(COc1cc(Cl)c(Cl)cc1Cl)Nc1ccc([N+](=O)[O-])cc1Cl
b. NC(=O)c1ccsc1NC(=O)CCc1ccccc1
Answer: a. O=C(COc1cc(Cl)c(Cl)cc1Cl)Nc1ccc([N+](=O)[O-])cc1Cl
{#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-(2-chloro-4-nitrophenyl)-2-(2,4,5-trichlorophenoxy)acetamide