How to get "Cited by" in a seperate field in EndNote Desktop X7 References (Mac OS)

I use Scopus (Firefox Browser) and export my search results to RIS. I import to EndNOT X7 Desktop (Mac OS) using SCOPUS as import filter.

I understand, that “Times cited” field in the primary RIS file comes bundled in “Notes field, second line” as “Cited by:#”.   EndNote defaults’ Reference Types do not seem to make provision for such a separate field. I would like to change that and create a new separate field for the citation counts so that I can later sort by that etc.

Any idea on how I could this would be highly appreciated!  

Thanks

Eirini