Task: Answer the multiple choice question.
Query: What is the hERG inhibition at 1uM of a drug with the SMILES O.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+4].[N-]=O.[Na+]?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
a. 20.706
b. 5.346
Answer: b. 5.346\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
O.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+4].[N-]=O.[Na+]
O.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+4].[N-]=O.[Na+]
sodium;iron(4+);nitroxyl anion;pentacyanide;hydrate