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
c4b4
d4d5
g6f5
g6e8
g6f7
g6h5
g6h7
a7a3
a7a4
a7a5
a7a6
a7h7
a7g7
a7f7
a7e7
a7d7
a7c7
a7b7
a7a8

## Board State Fen
7k/R7/1pb3Bb/5p2/2KP4/6r1/PP6/8 w - - 0 43
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
c4b4
d4d5
g6f5
g6e8
g6f7
g6h5
g6h7
a7a3
a7a4
a7a5
a7a6
a7h7
a7g7
a7f7
a7e7
a7d7
a7c7
a7b7
a7a8

## Board State Fen
7k/R7/1pb3Bb/5p2/2KP4/6r1/PP6/8 w - - 0 43
assistant
g6f5