What is the best move for Black?

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Taechess (1496) vs. John2001plus (1776)

1 2 3 4 5 6 7 8 h g f e d c b a 0

(black to move) 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 f6 7. Bd3 fxe5 8. dxe5 c4 9. Bc2 Nge7 10. O-O g6 11. Nbd2 Bg7 12. Qe2 O-O 13. b3 cxb3 14. Nxb3 Qc7 15. Re1 Bd7 16. a4 Rac8 17. Ba3 Rfe8 18. Bd6 Qd8 19. Nc5 Na5

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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight