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
f6g4
f6g8
f6d5
f6d7
f6h5
a5c3
a5b4
a5c7
a5b6
b8a6
b8c6
b8d7
a7a6
d8b6
d8c7
d8e7
d8d4
d8d5
d8d6
d8d7
h7h5
h7h6
b7b5
b7b6
e6e5
e8g8
e8f8
e8e7
e8d7
h8f8
h8g8
c8d7
g7g5
g7g6
c5d4

## Board State Fen
rnbqk2r/pp3ppp/4pn2/b1p5/2PP4/P1N1B3/1P2NPPP/R2QKB1R b KQkq - 4 9
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
f6g4
f6g8
f6d5
f6d7
f6h5
a5c3
a5b4
a5c7
a5b6
b8a6
b8c6
b8d7
a7a6
d8b6
d8c7
d8e7
d8d4
d8d5
d8d6
d8d7
h7h5
h7h6
b7b5
b7b6
e6e5
e8g8
e8f8
e8e7
e8d7
h8f8
h8g8
c8d7
g7g5
g7g6
c5d4

## Board State Fen
rnbqk2r/pp3ppp/4pn2/b1p5/2PP4/P1N1B3/1P2NPPP/R2QKB1R b KQkq - 4 9
assistant
c5d4