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
b5b4
c6c5
e6d4
e6d8
e6f4
e6f8
e6c5
e6c7
e6g5
e6g7
f6f5
g6g5
b7b6
d7c7
d7d1
d7d2
d7d3
d7d4
d7d5
d7d6
d7e7
d7d8
f7g7
f7e7
h7h5
h7h6

## Board State Fen
R7/1p1r1k1p/2p1npp1/1p2p3/4P3/1PP1B1PP/1P2KP2/8 b - - 5 28
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
b5b4
c6c5
e6d4
e6d8
e6f4
e6f8
e6c5
e6c7
e6g5
e6g7
f6f5
g6g5
b7b6
d7c7
d7d1
d7d2
d7d3
d7d4
d7d5
d7d6
d7e7
d7d8
f7g7
f7e7
h7h5
h7h6

## Board State Fen
R7/1p1r1k1p/2p1npp1/1p2p3/4P3/1PP1B1PP/1P2KP2/8 b - - 5 28
assistant
f6f5