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
a6f1
a6e2
a6d3
a6c4
a6b5
a6b7
b6b5
c5c4
c6b4
c6b8
c6d4
c6d8
c6a5
c6e5
c6e7
g6f4
g6h4
g6h8
g6e5
g6e7
h6h5
f7f5
f7f6
a8b8
c8b7
c8d7
c8b8
c8c7
c8e8
c8d8
f8d8
f8e8
g8h8
g8h7

## Board State Fen
r1q2rk1/p2B1pp1/bpn3np/2p5/4P3/2N2NP1/PPQR1P1P/R5K1 b - - 0 17
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
a6f1
a6e2
a6d3
a6c4
a6b5
a6b7
b6b5
c5c4
c6b4
c6b8
c6d4
c6d8
c6a5
c6e5
c6e7
g6f4
g6h4
g6h8
g6e5
g6e7
h6h5
f7f5
f7f6
a8b8
c8b7
c8d7
c8b8
c8c7
c8e8
c8d8
f8d8
f8e8
g8h8
g8h7

## Board State Fen
r1q2rk1/p2B1pp1/bpn3np/2p5/4P3/2N2NP1/PPQR1P1P/R5K1 b - - 0 17
assistant
c8b7