WQL query list all the systems that does not contain a particular software

select SMS_R_SYSTEM.ResourceID,SMS_R_SYSTEM.ResourceType,SMS_R_SYSTEM.Name,SMS_R_SYSTEM.SMSUniqueIdentifier,SMS_R_SYSTEM.ResourceDomainORWorkgroup,SMS_R_SYSTEM.Client from SMS_R_System inner join SMS_G_System_SYSTEM on SMS_G_System_SYSTEM.ResourceID = SMS_R_System.ResourceId where SMS_G_System_SYSTEM.ResourceID not in (select SMS_R_System.Resourceid  from  SMS_R_System inner join SMS_G_System_ADD_REMOVE_PROGRAMS on SMS_G_System_ADD_REMOVE_PROGRAMS.ResourceId = SMS_R_System.ResourceId where SMS_G_System_ADD_REMOVE_PROGRAMS.DisplayName = "Symantec Endpoint Protection")