Task: Answer the multiple choice question.
Question: Which drug has a 22.914\% 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. CC1CCC/C(=C\Nc2ccc(O)cc2)C1=O
b. CCn1c(O)c(C=NCCc2c[nH]c3ccccc23)c(=O)[nH]c1=O
Answer: b. CCn1c(O)c(C=NCCc2c[nH]c3ccccc23)c(=O)[nH]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#}
CCn1c(O)c(C=NCCc2c[nH]c3ccccc23)c(=O)[nH]c1=O
CCn1c(O)c(C=NCCc2c[nH]c3ccccc23)c(=O)[nH]c1=O
1-ethyl-6-hydroxy-5-[2-(1H-indol-3-yl)ethyliminomethyl]pyrimidine-2,4-dione