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
b2a2
b2b1
b2e2
b2d2
b2c2
b2b8
b2b7
b2b6
b2b5
b2b4
b2b3
f5b1
f5c2
f5d3
f5e4
f5c8
f5d7
f5e6
f5h3
f5g4
g6g5
a7a5
a7a6
e7e5
e7e6
f7f6
g7c3
g7d4
g7e5
g7f6
g7h6
g7h8
h7h5
h7h6
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
5rk1/p3ppbp/6p1/2p2b2/2P5/4BBP1/Pr2PP1P/2R2RK1 b - - 2 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
b2a2
b2b1
b2e2
b2d2
b2c2
b2b8
b2b7
b2b6
b2b5
b2b4
b2b3
f5b1
f5c2
f5d3
f5e4
f5c8
f5d7
f5e6
f5h3
f5g4
g6g5
a7a5
a7a6
e7e5
e7e6
f7f6
g7c3
g7d4
g7e5
g7f6
g7h6
g7h8
h7h5
h7h6
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
5rk1/p3ppbp/6p1/2p2b2/2P5/4BBP1/Pr2PP1P/2R2RK1 b - - 2 19
assistant
f8c8