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
c6c5
d6c4
d6e4
d6e8
d6b5
d6f5
d6f7
f6f5
g6g5
a7a5
a7a6
b7b5
b7b6
h7h5
h7h6
a8b8
c8h3
c8g4
c8f5
c8e6
c8d7
d8a5
d8b6
d8c7
d8e7
d8d7
d8e8
f8e8
f8f7
g8h8
g8g7
g8f7

## Board State Fen
r1bq1rk1/pp5p/2pn1pp1/3p4/3P4/2PBR3/PP1N1PPP/R2Q2K1 b - - 1 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
c6c5
d6c4
d6e4
d6e8
d6b5
d6f5
d6f7
f6f5
g6g5
a7a5
a7a6
b7b5
b7b6
h7h5
h7h6
a8b8
c8h3
c8g4
c8f5
c8e6
c8d7
d8a5
d8b6
d8c7
d8e7
d8d7
d8e8
f8e8
f8f7
g8h8
g8g7
g8f7

## Board State Fen
r1bq1rk1/pp5p/2pn1pp1/3p4/3P4/2PBR3/PP1N1PPP/R2Q2K1 b - - 1 17
assistant
c8f5