Task: Answer the multiple choice question.
Question: Which compound exhibits a 10.715\% 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) O=c1[nH]c2ccccc2c2oc(CCl)nc12
b) CCN1C(=O)CC2(C[N+]3(C)CCC2CC3)C1=O.[Br-]
Answer: a. O=c1[nH]c2ccccc2c2oc(CCl)nc12
{#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#}
O=c1[nH]c2ccccc2c2oc(CCl)nc12
O=c1[nH]c2ccccc2c2oc(CCl)nc12
2-(chloromethyl)-5H-[1,3]oxazolo[4,5-c]quinolin-4-one