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
a5a4
b5b4
g5c1
g5d2
g5e3
g5f4
g5d8
g5e7
g5f6
g5h4
e6d5
e6h3
e6g4
e6f5
h6h5
d7c6
d7c8
d7e8
d7a7
d7b7
d7c7
d7e7
d7d8
f7f5
f7f6
g7g6
b8a8
b8b6
b8b7
b8e8
b8d8
b8c8
f8c8
f8d8
f8e8
f8g8
h8h7
h8g8

## Board State Fen
1r3r1k/3q1pp1/3pb2p/pp1Np1b1/4P3/P1P3QP/1P2BPP1/3R1RK1 b - - 4 23
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
a5a4
b5b4
g5c1
g5d2
g5e3
g5f4
g5d8
g5e7
g5f6
g5h4
e6d5
e6h3
e6g4
e6f5
h6h5
d7c6
d7c8
d7e8
d7a7
d7b7
d7c7
d7e7
d7d8
f7f5
f7f6
g7g6
b8a8
b8b6
b8b7
b8e8
b8d8
b8c8
f8c8
f8d8
f8e8
f8g8
h8h7
h8g8

## Board State Fen
1r3r1k/3q1pp1/3pb2p/pp1Np1b1/4P3/P1P3QP/1P2BPP1/3R1RK1 b - - 4 23
assistant
d7d8