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
e6d4
e6f4
e6f8
e6c5
e6c7
e6g5
e6g7
g6g5
a7a5
a7a6
b7b5
b7b6
h7h5
h7h6
a8c8
a8b8
d8a5
d8b6
d8c7
d8f6
d8e7
d8b8
d8c8
d8d6
d8d7
d8f8
d8e8
g8f8

## Board State Fen
r2q2k1/pp3p1p/2p1nBp1/3p4/3P4/2P2N2/PP2QPPP/4R1K1 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
c6c5
e6d4
e6f4
e6f8
e6c5
e6c7
e6g5
e6g7
g6g5
a7a5
a7a6
b7b5
b7b6
h7h5
h7h6
a8c8
a8b8
d8a5
d8b6
d8c7
d8f6
d8e7
d8b8
d8c8
d8d6
d8d7
d8f8
d8e8
g8f8

## Board State Fen
r2q2k1/pp3p1p/2p1nBp1/3p4/3P4/2P2N2/PP2QPPP/4R1K1 b - - 0 21
assistant
d8f6