With both white bishops being restricted, Black has no major problems in the endgame.

Intending ...Nc6-d4 with counterplay.

Forcing a queen exchange in order to neutralize Black's attack and transpose to an endgame with extra material.

1...Qxc7 2.d6+ and White reaches his goal.

After 2...Be6?! 3.Ne3 Bxc4 4.Qxc8 Rxc8 5.Nxc4 White is winning

Black gives up a pawn to prevent Reb2-b8 with further simplifications.

Forcing favourable exchanges.

White is winning.

Swapping off the powerful bishop on h3.

Correct was 1...Bxg4 2.Qxg4 g6 avoiding any problem with 3.Nf5 , which can now be met by Qe6.