
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
Seven small circles, each of radius $2$ units, are arranged such that each one is tangent to its neighboring circles and all are tangent to an encompassing large circle. Determine the diameter of the large circle.

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