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
g7a7
g7b7
g7c7
g7d7
g7e7
g7f7
g7g1
g7g2
g7g3
g7g4
g7g5
g7g6
g7h7
g7g8
f5e3
f5e7
f5g3
f5d4
f5d6
f5h4
f5h6
f3g3
f3g2
f3f2
f3e3
f3e2

## Board State Fen
8/6R1/8/5N1k/1r6/5K2/8/8 w - - 39 63
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
g7a7
g7b7
g7c7
g7d7
g7e7
g7f7
g7g1
g7g2
g7g3
g7g4
g7g5
g7g6
g7h7
g7g8
f5e3
f5e7
f5g3
f5d4
f5d6
f5h4
f5h6
f3g3
f3g2
f3f2
f3e3
f3e2

## Board State Fen
8/6R1/8/5N1k/1r6/5K2/8/8 w - - 39 63
assistant
f5e7