Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 20.214\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1cccc2c1OCC(CN1CCN(Cc3ccccc3F)C(CCO)C1)=C2
[b] CCN1CCN(Cc2nc3c(c(=O)n(C)c(=O)n3C)n2C(C)C(C)=O)CC1
Answer: b. CCN1CCN(Cc2nc3c(c(=O)n(C)c(=O)n3C)n2C(C)C(C)=O)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#}
CCN1CCN(Cc2nc3c(c(=O)n(C)c(=O)n3C)n2C(C)C(C)=O)CC1
CCN1CCN(Cc2nc3c(c(=O)n(C)c(=O)n3C)n2C(C)C(C)=O)CC1
8-[(4-ethylpiperazin-1-yl)methyl]-1,3-dimethyl-7-(3-oxobutan-2-yl)purine-2,6-dione