エキソヌクレアーゼでしょう
ekisonukureāzedeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of エキソヌクレアーゼ

1. Exonuclease, probably.; It will likely be an exonuclease.

Polite
Presumptive
Conjecture