おうごんおうとかげでしょう
黄金大蜥蜴でしょう
ōgon'ōtokagedeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of こがねおおとかげ

1. Probably a golden lizard.

Polite
Presumptive
Conjecture
Usually Written in Kana