Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -13.555\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a O=C(c1cc2nc(-c3ccccc3)cc(-c3ccccc3)n2n1)N1CCN(C(=O)c2ccco2)CC1
b CN(C)CC(C)(C)CNC(=O)C1CCN(Cc2ccccc2O)CC1
Answer: a. O=C(c1cc2nc(-c3ccccc3)cc(-c3ccccc3)n2n1)N1CCN(C(=O)c2ccco2)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(c1cc2nc(-c3ccccc3)cc(-c3ccccc3)n2n1)N1CCN(C(=O)c2ccco2)CC1
O=C(c1cc2nc(-c3ccccc3)cc(-c3ccccc3)n2n1)N1CCN(C(=O)c2ccco2)CC1
[4-(5,7-diphenylpyrazolo[1,5-a]pyrimidine-2-carbonyl)piperazin-1-yl]-(furan-2-yl)methanone