
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
In the rectangular coordinate system $(xOy)$, the slope angle of line $l$ passing through point $M(2,1)$ is $\frac{\pi}{4}$. Establish a polar coordinate system with the origin as the pole and the positive $x$-axis as the polar axis, using the same unit length for both coordinate systems. The polar equation of circle $C$ is $\rho = 4\sqrt{2}\sin\left(\theta + \frac{\pi}{4}\right)$.

(I) Find the parametric equations of line $l$ and the rectangular form of the equation of circle $C$.

(II) Suppose circle $C$ intersects line $l$ at points $A$ and $B$. Find the value of $\frac{1}{|MA|} + \frac{1}{|MB|}$.

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