Task: Answer the multiple choice question.
Query: Which compound has a 8.585\% 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=C(Cn1cnc2c(oc3ccccc32)c1=O)N1CCN(c2ccccc2)CC1
(b) C/C(=N\Nc1nccnc1Cl)c1ccc(O)c(C)c1
Answer: a. O=C(Cn1cnc2c(oc3ccccc32)c1=O)N1CCN(c2ccccc2)CC1
{#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=C(Cn1cnc2c(oc3ccccc32)c1=O)N1CCN(c2ccccc2)CC1
O=C(Cn1cnc2c(oc3ccccc32)c1=O)N1CCN(c2ccccc2)CC1
3-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]-[1]benzofuro[3,2-d]pyrimidin-4-one