Running EV 14.2 and looking for the correct syntax for the Selective Journal Configuration file to exclude messages form the monitoring server in the Journal Archive.
Do you need to use that? Are you using SMTP archiving, or Journal Mailbox archiving. For both, you can configure journaling to use Distribution Groups to define who gets journaled. This allows you to exclude the monitoring server messages.
In the past, I did use this, following this article. Excluding Exchange 2013 health messages from the journal mailbox (veritas.com)
As you are on 14.2, you can call also support, and ask them for assistance