Problem statement: Answer the multiple choice question.
Query: Which compound has a 20.137% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CC(C)Cn1nc(-c2ccccc2)c2ccccc2c1=O
[b] O=c1ccc(-c2ccc(S(=O)(=O)N3CCN(c4ccccc4)CC3)o2)n[nH]1
Answer: a. CC(C)Cn1nc(-c2ccccc2)c2ccccc2c1=O
{#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#}
CC(C)Cn1nc(-c2ccccc2)c2ccccc2c1=O
CC(C)Cn1nc(-c2ccccc2)c2ccccc2c1=O
2-(2-methylpropyl)-4-phenylphthalazin-1-one