
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 triangle $ABC$, the sides opposite to angles $A$, $B$, and $C$ are denoted as $a$, $b$, and $c$, respectively, and it is given that $\sqrt{3}a\sin{B} + b\cos{A} = c$.
(Ⅰ) Find angle $B$.
(Ⅱ) If $a = 2\sqrt{3}c$ and the area of $△ABC$ ($S_{△ABC}$) is $2\sqrt{3}$, find the length of side $b$.

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