
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 \(ABC\), let \(M\) be the midpoint of \(BC\), \(H\) be the orthocenter, and \(O\) be the circumcenter. Let \(N\) be the reflection of \(M\) over \(H\). Suppose that \(OA = ON = 11\) and \(OH = 7\). Compute \(BC^2\).

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