Task: Answer the multiple choice question.
Query: Which compound exhibits a 9.267\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(C[n+]1ccccc1)Nc1ccc(Oc2ccccc2)cc1.[Cl-]
b: CCOc1ccc(/C=C/c2c([N+](=O)[O-])c(=O)n(C)c(=O)n2C)cc1
Answer: b. CCOc1ccc(/C=C/c2c([N+](=O)[O-])c(=O)n(C)c(=O)n2C)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#}
CCOc1ccc(/C=C/c2c([N+](=O)[O-])c(=O)n(C)c(=O)n2C)cc1
CCOc1ccc(/C=C/c2c([N+](=O)[O-])c(=O)n(C)c(=O)n2C)cc1
6-[(E)-2-(4-ethoxyphenyl)ethenyl]-1,3-dimethyl-5-nitropyrimidine-2,4-dione