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
e7d5
e7f5
e7c8
e7g6
a4a2
a4a3
a4b4
a4a8
a4a7
a4a6
a4a5
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
5rk1/4nppp/2p1p3/2P1P3/rPR5/5N2/P4PP1/R5K1 b - - 0 25
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
e7d5
e7f5
e7c8
e7g6
a4a2
a4a3
a4b4
a4a8
a4a7
a4a6
a4a5
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
5rk1/4nppp/2p1p3/2P1P3/rPR5/5N2/P4PP1/R5K1 b - - 0 25
assistant
f8a8