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
a6c4
a6b5
a6c8
a6b7
b6b5
c6b4
c6b8
c6d4
c6d8
c6a5
c6e5
h6h5
c7b7
c7d7
c7c8
e7f8
e7f6
e7e8
e7e6
f7f5
f7f6
g7g5
g7g6

## Board State Fen
8/p1r1kpp1/bpn4p/2p5/2P3PN/P1P1P3/4BP1P/3R2K1 b - - 2 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
a6c4
a6b5
a6c8
a6b7
b6b5
c6b4
c6b8
c6d4
c6d8
c6a5
c6e5
h6h5
c7b7
c7d7
c7c8
e7f8
e7f6
e7e8
e7e6
f7f5
f7f6
g7g5
g7g6

## Board State Fen
8/p1r1kpp1/bpn4p/2p5/2P3PN/P1P1P3/4BP1P/3R2K1 b - - 2 22
assistant
g7g6