Task: Answer the multiple-choice question.
Question: Which compound exhibits a 8.863\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C1c2ccccc2C(=O)N1CC(O)CNc1ccc(Br)cc1
[b] COc1cc(Cl)c(C)cc1NC(=O)CN1C(=O)C2CCCCC2C1=O
Answer: b. COc1cc(Cl)c(C)cc1NC(=O)CN1C(=O)C2CCCCC2C1=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#}
COc1cc(Cl)c(C)cc1NC(=O)CN1C(=O)C2CCCCC2C1=O
COc1cc(Cl)c(C)cc1NC(=O)CN1C(=O)C2CCCCC2C1=O
N-(4-chloro-2-methoxy-5-methylphenyl)-2-(1,3-dioxo-3a,4,5,6,7,7a-hexahydroisoindol-2-yl)acetamide