Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -8.170\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=C1NCCN1Cc1ccccc1
[b] COC(=O)c1ccccc1C(=O)N1CC(O)CO1
[c] CCn1c(SCC(=O)NCc2ccccc2)nnc1-c1c[nH]c2ccccc12
Answer: a. O=C1NCCN1Cc1ccccc1
{#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=C1NCCN1Cc1ccccc1
O=C1NCCN1Cc1ccccc1
1-benzylimidazolidin-2-one