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
e2a2
e2b2
e2c2
e2d2
e2e3
f2g1
f2f3
f2f1
f2e3
g2g4
g2g3
e4e5

## Board State Fen
8/1p6/p1p1bk2/P7/1r2P2p/8/4RKP1/4R3 w - - 1 59
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
e2a2
e2b2
e2c2
e2d2
e2e3
f2g1
f2f3
f2f1
f2e3
g2g4
g2g3
e4e5

## Board State Fen
8/1p6/p1p1bk2/P7/1r2P2p/8/4RKP1/4R3 w - - 1 59
assistant
e1h1