Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 12.111\% 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) CCOc1ccccc1/C=C\c1nc(O)c([N+](=O)[O-])c(=O)[nH]1
(b) N#Cc1sc(=O)[nH]c1Cl
Answer: a. CCOc1ccccc1/C=C\c1nc(O)c([N+](=O)[O-])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#}
CCOc1ccccc1/C=C\c1nc(O)c([N+](=O)[O-])c(=O)[nH]1
CCOc1ccccc1/C=C\c1nc(O)c([N+](=O)[O-])c(=O)[nH]1
2-[(Z)-2-(2-ethoxyphenyl)ethenyl]-4-hydroxy-5-nitro-1H-pyrimidin-6-one