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
g5g4
a6a5
b6b5
e6e5
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
f6h7
b8a8
b8b7
c8b7
c8d7
f8g6
f8d7
f8h7
g8h8
g8h7
g8g7

## Board State Fen
1rb2nk1/5p2/pp2pn2/6p1/8/1N2PN2/PP3PBP/3R2K1 b - - 1 22
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
g5g4
a6a5
b6b5
e6e5
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
f6h7
b8a8
b8b7
c8b7
c8d7
f8g6
f8d7
f8h7
g8h8
g8h7
g8g7

## Board State Fen
1rb2nk1/5p2/pp2pn2/6p1/8/1N2PN2/PP3PBP/3R2K1 b - - 1 22
assistant
g5g4