Problem statement: Answer the MCQ question.
Question: Which compound has a 16.578\% 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] O=C(CN1C(=O)NC2(CCCC2)C1=O)N1CCN(c2cccc(C(F)(F)F)c2)CC1
[b] Cn1c(=O)c2[nH]c(-c3ccccc3)c(O)c2n(C)c1=O
Answer: b. Cn1c(=O)c2[nH]c(-c3ccccc3)c(O)c2n(C)c1=O
{#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#}
Cn1c(=O)c2[nH]c(-c3ccccc3)c(O)c2n(C)c1=O
Cn1c(=O)c2[nH]c(-c3ccccc3)c(O)c2n(C)c1=O
7-hydroxy-1,3-dimethyl-6-phenyl-5H-pyrrolo[3,2-d]pyrimidine-2,4-dione