Problem statement: Answer the multiple-choice question.
Question: Which compound has a 20.345\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) Cc1ccc(C(=O)c2coc3ccc(O)c(CN4CCN(C)CC4)c23)cc1
b) Cc1cc(Oc2ccc(C#N)cc2)nc(NCc2ccccc2)n1
c) COc1ccc(N2CCN(C(=O)CCCN3C(=O)c4cccc5cccc(c45)C3=O)CC2)cc1
Answer: c. COc1ccc(N2CCN(C(=O)CCCN3C(=O)c4cccc5cccc(c45)C3=O)CC2)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#}
2-[4-[4-(4-methoxyphenyl)piperazin-1-yl]-4-oxobutyl]benzo[de]isoquinoline-1,3-dione