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
a6a5
h5h4
d6b6
d6c6
d6d1
d6d2
d6d3
d6d4
d6d5
d6f6
d6e6
d6d7
g6g5
a7b5
a7c6
a7c8
c7c5
c7c6
f7f5
f7f6
g7h8
g7h7
g7h6
g7g8
g7f8
g7f6
d8a8
d8b8
d8c8
d8d7
d8h8
d8g8
d8f8
d8e8

## Board State Fen
3r4/n1p2pk1/p2r2p1/7p/P7/4NP2/1P2R1PP/3RK3 b - - 14 34
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
a6a5
h5h4
d6b6
d6c6
d6d1
d6d2
d6d3
d6d4
d6d5
d6f6
d6e6
d6d7
g6g5
a7b5
a7c6
a7c8
c7c5
c7c6
f7f5
f7f6
g7h8
g7h7
g7h6
g7g8
g7f8
g7f6
d8a8
d8b8
d8c8
d8d7
d8h8
d8g8
d8f8
d8e8

## Board State Fen
3r4/n1p2pk1/p2r2p1/7p/P7/4NP2/1P2R1PP/3RK3 b - - 14 34
assistant
d6d1