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
a7a5
a7a6
a8c8
a8b8
c6b4
c6b8
c6d4
c6a5
c6e5
f7f5
f7f6
e7e6
g4e2
g4f3
g4c8
g4d7
g4e6
g4f5
g4h3
g4h5
c7a5
c7b6
c7b8
c7e5
c7d6
h6h5
g6g5
b5b4
d8b8
d8c8
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
d8f8
d8e8
g8h8
g8h7
g8g7
g8f8

## Board State Fen
r2r2k1/p1b1pp2/2n3pp/1p2P3/2p2Pb1/2P5/PP1NBBPP/3RR1K1 b - - 5 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
a7a5
a7a6
a8c8
a8b8
c6b4
c6b8
c6d4
c6a5
c6e5
f7f5
f7f6
e7e6
g4e2
g4f3
g4c8
g4d7
g4e6
g4f5
g4h3
g4h5
c7a5
c7b6
c7b8
c7e5
c7d6
h6h5
g6g5
b5b4
d8b8
d8c8
d8d2
d8d3
d8d4
d8d5
d8d6
d8d7
d8f8
d8e8
g8h8
g8h7
g8g7
g8f8

## Board State Fen
r2r2k1/p1b1pp2/2n3pp/1p2P3/2p2Pb1/2P5/PP1NBBPP/3RR1K1 b - - 5 22
assistant
g4e2