Task: Answer the multiple-choice question.
Question: Which drug exhibits a 10.527% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(CSc1nc(C2CCCCC2)nc2ccccc12)NCc1ccc2c(c1)OCO2
b. O=C1CN(c2nc3nonc3nc2N2CCCCC2)CCN1
Answer: b. O=C1CN(c2nc3nonc3nc2N2CCCCC2)CCN1
{#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#}
O=C1CN(c2nc3nonc3nc2N2CCCCC2)CCN1
O=C1CN(c2nc3nonc3nc2N2CCCCC2)CCN1
4-(6-piperidin-1-yl-[1,2,5]oxadiazolo[3,4-b]pyrazin-5-yl)piperazin-2-one