7 BTC is a huge amount of money, even in the current market crash. I am not sure how you left it in there and forgot about it even through the 69K all-time high until recently. This should have been safe in anon custodial or hardware wallet.

First, try very hard to remember about how you acquired the Bitcoins and then go at them with full force. Make a lot of noise about them on different forums and Reddit until the release your coins. Do not just give up on that Bitcoin.