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
f1f2
f3f2
c6d7
c6c7
c6b7
c6b6
d6d5

## Board State Fen
8/8/2kp4/5R2/2P5/4Kp2/8/5r2 b - - 3 50
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
f1f2
f3f2
c6d7
c6c7
c6b7
c6b6
d6d5

## Board State Fen
8/8/2kp4/5R2/2P5/4Kp2/8/5r2 b - - 3 50
assistant
c6b6