Task: Answer the MCQ question.
Query: Which compound exhibits a 6.316\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CN1CCN(C(=O)CSc2nc(-c3ccco3)cc(C(F)(F)F)n2)CC1
[b] O=c1cc(N=Nc2ccc(Cl)cc2)[nH]c(=O)[nH]1
Answer: b. O=c1cc(N=Nc2ccc(Cl)cc2)[nH]c(=O)[nH]1
{#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=c1cc(N=Nc2ccc(Cl)cc2)[nH]c(=O)[nH]1
O=c1cc(N=Nc2ccc(Cl)cc2)[nH]c(=O)[nH]1
6-[(4-chlorophenyl)diazenyl]-1H-pyrimidine-2,4-dione