Correct...It is not a Byzantine hymn (i.e. Used also in Eastern Orthodox Churches following the Byzantine rite). But the odd-numbered verses that are in Greek can be written with standard Greek orthography and accent marks...etc. Maybe CopticBoy101 is asking for the latter.
Source: O.H.E. Burmester, "“The Greek Kīrugmata Versicles & Responses and Hymns in the Coptic Liturgy,” Orientalia Christiana Periodica2, no. 3/4 (1936): 363–394, here 390.
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http://www.mediafire.com/file/zlwndc17htdarty/_%E1%BE%BC%CE%A3%CE%A9%CE%9C%CE%95%CE%9D-_BY_Dr.Sameh_Farouk.pdf/file