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
g5a5
g5b5
g5c5
g5d5
g5e5
g5f5
g5g1
g5g2
g5g3
g5g4
g5h5
g5g8
g5g7
g5g6
a6a5
c6c5
f6d6
f6e6
f6f2
f6f3
f6f4
f6f5
f6g6
f6f8
f6f7
h6h5
h8h7
h8g8
h8g7

## Board State Fen
7k/8/p1p2r1p/6r1/3R4/2R5/PP3P2/5K2 b - - 1 45
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
g5a5
g5b5
g5c5
g5d5
g5e5
g5f5
g5g1
g5g2
g5g3
g5g4
g5h5
g5g8
g5g7
g5g6
a6a5
c6c5
f6d6
f6e6
f6f2
f6f3
f6f4
f6f5
f6g6
f6f8
f6f7
h6h5
h8h7
h8g8
h8g7

## Board State Fen
7k/8/p1p2r1p/6r1/3R4/2R5/PP3P2/5K2 b - - 1 45
assistant
h8g7