Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 19.011% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: c1ccc(Nc2nc(-c3cccnc3)cs2)nc1
b: Cc1n[nH]c(=O)c2ccccc12
c: CC(C)CCN1C(=O)c2ccc(C(=O)OCn3nnc4ccccc4c3=O)cc2C1=O
Answer: b. Cc1n[nH]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_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1n[nH]c(=O)c2ccccc12
Cc1n[nH]c(=O)c2ccccc12
1-methyl-3H-phthalazin-4-one