You can try to directly upload the file or add some spaces into the URL that the system does not recognise your link as a link
As a possibility on how to achieve what you want. Add an instance variable to your enemies (could be a boolean that you could call "near player"). When the enemy is near your player set it to true and if not, set it to false. To your moment events, just add a check on if the variable true or false. If it is false, do movement, if it is true, do something else.