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
h6h7
h6g7

## Board State Fen
8/8/R5pk/6r1/4KN2/8/8/8 b - - 11 117
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
h6h7
h6g7

## Board State Fen
8/8/R5pk/6r1/4KN2/8/8/8 b - - 11 117
assistant
g5g1