Task: Answer the multiple choice question.
Question: Which compound exhibits a 15.813\% 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. CC(C)(C)N/N=C/c1c(O)n(-c2ccc(Cl)cn2)c(=O)c2ccccc12
b. COc1ccc(-c2[nH]ncc2CN2CCC(N3CCSCC3)CC2)cc1F
Answer: a. CC(C)(C)N/N=C/c1c(O)n(-c2ccc(Cl)cn2)c(=O)c2ccccc12
{#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#}
CC(C)(C)N/N=C/c1c(O)n(-c2ccc(Cl)cn2)c(=O)c2ccccc12
CC(C)(C)N/N=C/c1c(O)n(-c2ccc(Cl)cn2)c(=O)c2ccccc12
4-[(E)-(tert-butylhydrazinylidene)methyl]-2-(5-chloropyridin-2-yl)-3-hydroxyisoquinolin-1-one