
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 ellipse $G: \frac{x^2}{a^2} + \frac{y^2}{b^2} = 1 (a > b > 0)$ with eccentricity $\frac{\sqrt{3}}{2}$, and a line $l$ passes through the right vertex $A(2,0)$ of the ellipse $G$ and intersects the ellipse $G$ at another point $C$.

(Ⅰ) Find the standard equation of the ellipse $G$;

(Ⅱ) If the circle with diameter $AC$ passes through the top vertex $B$ of the ellipse $G$, find the equation of the line $l$.

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