
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 the function $f(x)=1-\frac{a\cdot{5}^{x}}{{5}^{x}+1}$, where $x\in(b-3,2b)$ is an odd function,

(1) Find the values of $a$ and $b$;

(2) If $f(x)$ is a decreasing function on the interval $(b-3,2b)$ and $f(m-1)+f(2m+1) > 0$, find the range of the real number $m$.

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