Say: I am your portent. Just as I have done, so shall it be done to them. They will be taken captive and moved far away
Other versions
King James Version
Say, I am your sign: like as I have done, so shall it be done unto them: they shall remove and go into captivity. English Standard Version
Say, 'I am a sign for you: as I have done, so shall it be done to them. They shall go into exile, into captivity.'New International Version
Say to them, 'I am a sign to you.'"As I have done, so it will be done to them. They will go into exile as captives.