What is the strongest continuation for White?

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. cashflow357

8 7 6 5 4 3 2 1 a b c d e f g h +1

(white to move) 1. Nf3 f6 2. e4 e5 3. Nxe5 g6 4. Nf3 Bh6 5. d4 d5 6. Bxh6 Nxh6 7. exd5 Qxd5 8. Nc3 Qe6+ 9. Be2 c6 10. Qd2 Nf5 11. d5 Qf7 12. O-O-O O-O 13. Rhe1 Nd7 14. g4 Ng7 15. Bc4 Nb6 16. Bb3 c5 17. Re7 Qxe7 18. d6+ Qf7 19. Bxf7+

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Options:
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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight