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
a2a4
a2a3
b2b4
b2b3
d4e5
d4e4
d4e3
d4d3
d4c5
d4c4
d4c3
d5d6
b6a6
b6b3
b6b4
b6b5
b6h6
b6g6
b6f6
b6e6
b6d6
b6c6
b6b8
b6b7

## Board State Fen
8/5bk1/1R6/3P4/3K4/5pr1/PP6/8 w - - 0 49
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
a2a4
a2a3
b2b4
b2b3
d4e5
d4e4
d4e3
d4d3
d4c5
d4c4
d4c3
d5d6
b6a6
b6b3
b6b4
b6b5
b6h6
b6g6
b6f6
b6e6
b6d6
b6c6
b6b8
b6b7

## Board State Fen
8/5bk1/1R6/3P4/3K4/5pr1/PP6/8 w - - 0 49
assistant
d4e3