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
g5c1
g5d2
g5e3
g5f4
g5d8
g5e7
g5f6
g5h4
g5h6
c6a4
c6b5
c6b7
c6d5
c6e8
c6d7
f7f5
f7f6
g7g6
h7h5
h7h6
a8a6
a8a7
b8a7
b8c7
b8b3
b8b4
b8b5
b8b6
b8b7
b8e8
b8d8
b8c8
f8c8
f8d8
f8e8
f8g8
h8g8

## Board State Fen
rq3r1k/5ppp/2bp4/p2Np1b1/2B1P3/1PP5/Q4PPP/R4RK1 b - - 0 21
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
g5c1
g5d2
g5e3
g5f4
g5d8
g5e7
g5f6
g5h4
g5h6
c6a4
c6b5
c6b7
c6d5
c6e8
c6d7
f7f5
f7f6
g7g6
h7h5
h7h6
a8a6
a8a7
b8a7
b8c7
b8b3
b8b4
b8b5
b8b6
b8b7
b8e8
b8d8
b8c8
f8c8
f8d8
f8e8
f8g8
h8g8

## Board State Fen
rq3r1k/5ppp/2bp4/p2Np1b1/2B1P3/1PP5/Q4PPP/R4RK1 b - - 0 21
assistant
f7f5