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
h1c1
h1d1
h1e1
h1f1
h1g1
h1h4
h1h3
h1h2
a2a4
a2a3
g4d4
g4e4
g4f4
g4g1
g4g2
g4g3
g4h4
g4g5
f5f6

## Board State Fen
7r/6k1/6Pr/p4P1P/3p2R1/2p5/PpP5/1K5R w - - 4 40
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
h1c1
h1d1
h1e1
h1f1
h1g1
h1h4
h1h3
h1h2
a2a4
a2a3
g4d4
g4e4
g4f4
g4g1
g4g2
g4g3
g4h4
g4g5
f5f6

## Board State Fen
7r/6k1/6Pr/p4P1P/3p2R1/2p5/PpP5/1K5R w - - 4 40
assistant
g4d4