YOU SAID:
Excuse me, the store is now closed. Please exit the building.
INTO JAPANESE
すみません、お店は閉店いたしました。建物を出てください。
BACK INTO ENGLISH
I'm sorry, the shop has closed. Please leave the building.
INTO JAPANESE
申し訳ありませんが、お店は閉店しております。建物を出てください。
BACK INTO ENGLISH
We are sorry, but the shop is closed. Please leave the building.
INTO JAPANESE
申し訳ありませんが、お店は休業しております。建物を出てください。
BACK INTO ENGLISH
We are sorry, but the shop is closed. Please leave the building.
That didn't even make that much sense in English.