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
b8a8
b8b4
b8b5
b8b6
b8b7
b8h8
b8g8
b8f8
b8e8
b8d8
b8c8
h4g5
h4h5
f3e1
f3e5
f3g1
f3g5
f3d2
f3d4
f3h2
g2h3
g2h2
g2h1
g2g3
g2g1
g2f1
a2a4
a2a3

## Board State Fen
1R6/2k5/2pr1p1p/p5p1/1b5P/1P3N2/P4PK1/8 w - - 2 36
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
b8a8
b8b4
b8b5
b8b6
b8b7
b8h8
b8g8
b8f8
b8e8
b8d8
b8c8
h4g5
h4h5
f3e1
f3e5
f3g1
f3g5
f3d2
f3d4
f3h2
g2h3
g2h2
g2h1
g2g3
g2g1
g2f1
a2a4
a2a3

## Board State Fen
1R6/2k5/2pr1p1p/p5p1/1b5P/1P3N2/P4PK1/8 w - - 2 36
assistant
b8h8