
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A biology group wants to verify that there are three types of cells in the spermatogenesis organ of mice that are in the metaphase of division. Please help them select the appropriate materials and reagents to complete the experiment.  
Available materials and tools: mouse liver, testes, kidneys, Sudan III stain, acetic orcein stain, Janus Green stain, dissociation fixative.  
(1) Material selection: Use _ as experimental material.  
(2) Slide preparation:  
① After treating a small amount of tissue with hypotonic solution, place it in _, and after a certain period, gently rinse.  
② Place the rinsed tissue on a slide, add an appropriate amount of _.  
③ After a certain period, cover with a cover slip, _.  
(3) Observation results: Under the microscope, you can observe _ types of cells in the metaphase of division. If they divide normally, the daughter cells produced are

Present the answer in LaTex format: \boxed{Your answer}
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