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
f6e4
f6g8
f6d7
g4f3
g4c8
g4d7
g4e6
g4f5
g4h3
c6c5
h6c1
h6d2
h6e3
h6f4
h6g5
h6f8
h6g7
h7h8
h7g8
h7g7
a8a5
a8a6
a8a7
a8c8
a8b8
d8a5
d8b6
d8c7
d8e7
d8b8
d8c8
d8d6
d8d7
e8e2
e8e3
e8e4
e8e5
e8e6
e8e7
e8h8
e8g8
e8f8

## Board State Fen
r2qr3/5p1k/2p2npb/3p3p/p2B2bP/P1NQ1BP1/1P2PP2/3RR1K1 b - - 5 19
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
f6e4
f6g8
f6d7
g4f3
g4c8
g4d7
g4e6
g4f5
g4h3
c6c5
h6c1
h6d2
h6e3
h6f4
h6g5
h6f8
h6g7
h7h8
h7g8
h7g7
a8a5
a8a6
a8a7
a8c8
a8b8
d8a5
d8b6
d8c7
d8e7
d8b8
d8c8
d8d6
d8d7
e8e2
e8e3
e8e4
e8e5
e8e6
e8e7
e8h8
e8g8
e8f8

## Board State Fen
r2qr3/5p1k/2p2npb/3p3p/p2B2bP/P1NQ1BP1/1P2PP2/3RR1K1 b - - 5 19
assistant
f6d7