Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 8.562\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCC(C)NC(=O)CC(C)C
b. CCOC(=O)c1nn(-c2cccc(Cl)c2)c(C)c1C(C)=O
Answer: b. CCOC(=O)c1nn(-c2cccc(Cl)c2)c(C)c1C(C)=O
{#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#}
CCOC(=O)c1nn(-c2cccc(Cl)c2)c(C)c1C(C)=O
CCOC(=O)c1nn(-c2cccc(Cl)c2)c(C)c1C(C)=O
ethyl 4-acetyl-1-(3-chlorophenyl)-5-methylpyrazole-3-carboxylate