おうにしようにしんでしょう
大西洋鯡でしょう
ōni shiyōni shindeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of たいせいようにしん

1. Probably herring of the Atlantic.

Polite
Presumptive
Conjecture
Usually Written in Kana