Scraping Data from Dynamic Input Box Dropdown

I am trying to scrape data found in the DEPARTMENT, COURSE and SECTION drop downs. Can anyone help me please?

Url: https://northeastern.bncollege.com/webapp/wcs/stores/servlet/TBWizardView?catalogId=10001&langId=-1&storeId=17555

Sitemap:
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Hi!

Unfortunately, it's not yet possible to scrape such dropdowns, because once you select a value from list, you cannot select any other value from it any more, it becomes text and hides all other values, thus rendering scraping useless.

Keep up with the updates.