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
f1a1
f1b1
f1c1
f1d1
f1e1
f1h1
f1g1
f1f6
f1f5
f1f4
f1f3
f1f2
g2g3
h2h1
h2g3
h2g1
c3c4
h3h4
b4b5
e8d8
e8e6
e8e7
e8h8
e8g8
e8f8

## Board State Fen
3nR3/2pr2k1/4pb1p/4p1p1/1P2P1P1/2P4P/6PK/5R2 w - - 1 37
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
f1a1
f1b1
f1c1
f1d1
f1e1
f1h1
f1g1
f1f6
f1f5
f1f4
f1f3
f1f2
g2g3
h2h1
h2g3
h2g1
c3c4
h3h4
b4b5
e8d8
e8e6
e8e7
e8h8
e8g8
e8f8

## Board State Fen
3nR3/2pr2k1/4pb1p/4p1p1/1P2P1P1/2P4P/6PK/5R2 w - - 1 37
assistant
f1f3