Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 8.409\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C1CN(c2nc3nonc3nc2N2C[C@H]3CC[C@H]2C3)CCS1
b: COc1ccc(-c2nn(C)c(=O)c3ccccc23)cc1CNS(C)(=O)=O
Answer: a. C1CN(c2nc3nonc3nc2N2C[C@H]3CC[C@H]2C3)CCS1
{#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#}
C1CN(c2nc3nonc3nc2N2C[C@H]3CC[C@H]2C3)CCS1
C1CN(c2nc3nonc3nc2N2C[C@H]3CC[C@H]2C3)CCS1
5-[(1S,4S)-2-azabicyclo[2.2.1]heptan-2-yl]-6-thiomorpholin-4-yl-[1,2,5]oxadiazolo[3,4-b]pyrazine