This is not authentic.

Sa`d Ibn Malik said: I heard the Prophet of Allah, peace and blessings of Allah be upon him, say: “Shall I tell you about the greatest name of Allah, by which if He is called upon He answers and if He is asked He grants. It is the supplication used by Yunus (Jonah) when he called in the three darknesses: ‘There is no God but Thee. Glory be to Thee. I was one of the transgressors.authentic or not?

Commentary on Hadeeth |