
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
Given an odd function $f(x)=\frac{-2^x+m}{2^{x+1}+n}$ defined on $R$.<br/>$(1)$ Find the values of real numbers $m$ and $n$;<br/>$(2)$ Find the solution set of the inequality $f(f(x))+f(\frac{1}{4})＜0$.

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