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
d2d1
d2c2
d2c1
f2e2
f2f1
f2h2
f2g2
f2f6
f2f5
f2f4
f2f3
c4c5

## Board State Fen
8/8/5p2/6p1/2P1k1P1/4r3/3K1R2/8 w - - 0 56
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
d2d1
d2c2
d2c1
f2e2
f2f1
f2h2
f2g2
f2f6
f2f5
f2f4
f2f3
c4c5

## Board State Fen
8/8/5p2/6p1/2P1k1P1/4r3/3K1R2/8 w - - 0 56
assistant
f2f6