No, you can message them periodically for a friendly reminder just in case they missed it. Other than that you'll just have yo wait. Several members have been waiting for 6+ months.
The pinned post specifically says one message only

Hilariousandco has also suggested sending them a reminder every so often. Its not uncommon for them to miss messages since they get a lot every day.
As long as you aren't pestering them every day it shouldn't be a problem. Especially since other users have followed this advice and got their account recovered.
If you want to steer of the side of caution send them a message 3 months later and don't send any more after that and just wait patiently.