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
b2g2
b2f2
b2e2
b2d2
b2c2
b2b3
d4c3
d4c5
d4g1
d4f2
d4e3
e5f4
b6b5
g7g5
g7g6
h7h5
h7h6
g8h8
g8f8
g8f7

## Board State Fen
6k1/6pp/1p6/3Rp3/3bNP2/1P5P/1r4P1/5K2 b - - 8 38
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
b2g2
b2f2
b2e2
b2d2
b2c2
b2b3
d4c3
d4c5
d4g1
d4f2
d4e3
e5f4
b6b5
g7g5
g7g6
h7h5
h7h6
g8h8
g8f8
g8f7

## Board State Fen
6k1/6pp/1p6/3Rp3/3bNP2/1P5P/1r4P1/5K2 b - - 8 38
assistant
b2b1