Jesus replied that he is the Son of God in Luke 22:70.
Also, he highlighted in Luke 22:69, NIV…the Son of Man will be seated at the right hand of the mighty God.
Luke 22:69-71
[69]But from now on the Son of Man will be seated on the right of Almighty God.”
[70]They all said, “Are you, then, the Son of God?”He answered them, “You say that I am.”
[71]And they said, “We don’t need any witnesses! We ourselves have heard what he said!”