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
e1a1
e1b1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e8
e1e7
e1e6
e1e5
e1e4
e1e3
e1e2
b4a4
b4a3

## Board State Fen
8/8/3k4/2r5/1K1n4/8/8/4R3 w - - 62 71
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
e1a1
e1b1
e1c1
e1d1
e1h1
e1g1
e1f1
e1e8
e1e7
e1e6
e1e5
e1e4
e1e3
e1e2
b4a4
b4a3

## Board State Fen
8/8/3k4/2r5/1K1n4/8/8/4R3 w - - 62 71
assistant
e1h1