Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
e1d2
e1d1
f2f4
f2f3
a3a4
f7a7
f7b7
f7c7
f7d7
f7e7
f7f3
f7f4
f7f5
f7f6
f7f8
g7f5
g7h5
g7e6
g7e8

## Board State Fen
8/5RN1/bk6/8/8/P6r/5P2/4K3 w - - 1 43
system
You are a chess playing AI.
user
Given the available moves based on the current board state in FEN notation, think carefully about which move would be best, then make that move. Be sure to note your color indicated in the FEN notation before deciding.
## Available Moves
e1d2
e1d1
f2f4
f2f3
a3a4
f7a7
f7b7
f7c7
f7d7
f7e7
f7f3
f7f4
f7f5
f7f6
f7f8
g7f5
g7h5
g7e6
g7e8

## Board State Fen
8/5RN1/bk6/8/8/P6r/5P2/4K3 w - - 1 43
assistant
f2f3