
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
Let the function $f(x) = \begin{cases} x^{6}, & x \geq 1 \\ -2x-1, & x \leq -1 \end{cases}$. Then, when $x \leq -1$, the coefficient of the $x^2$ term in the expansion of $f[f(x)]$ is ______.

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