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
b2f2
b2e2
b2d2
b2c2
b2b8
b2b7
b2b6
b2b5
b2b4
b2b3
d6e6
d6e5
d6d5
d6c6
d6c5

## Board State Fen
8/R7/3k4/8/8/5K2/1r3P2/8 b - - 2 59
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
b2f2
b2e2
b2d2
b2c2
b2b8
b2b7
b2b6
b2b5
b2b4
b2b3
d6e6
d6e5
d6d5
d6c6
d6c5

## Board State Fen
8/R7/3k4/8/8/5K2/1r3P2/8 b - - 2 59
assistant
d6e5