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
f5b1
f5c2
f5d3
f5e4
f5c8
f5d7
f5e6
f5h3
f5g4
b7b5
b7b6
g6g5
c6c5
f7g8
f7g7
f7f8
f7f6
f7e8
f7e7
f7e6
h7h5
h7h6
d8a8
d8b8
d8c8
d8d4
d8d5
d8d6
d8d7
d8h8
d8g8
d8f8
d8e8

## Board State Fen
3r4/1pp2k1p/2p3p1/p4b2/P1PR1P2/1P2K3/4B1PP/8 b - - 4 24
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
f5b1
f5c2
f5d3
f5e4
f5c8
f5d7
f5e6
f5h3
f5g4
b7b5
b7b6
g6g5
c6c5
f7g8
f7g7
f7f8
f7f6
f7e8
f7e7
f7e6
h7h5
h7h6
d8a8
d8b8
d8c8
d8d4
d8d5
d8d6
d8d7
d8h8
d8g8
d8f8
d8e8

## Board State Fen
3r4/1pp2k1p/2p3p1/p4b2/P1PR1P2/1P2K3/4B1PP/8 b - - 4 24
assistant
d8d4