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
f2g1
f2f1
f2e2
f2e1
g2g4
g2g3
b3b4
h3h4
b5a5
b5b4
b5b8
b5b7
b5b6
c5c6
d6d7

## Board State Fen
r7/8/3Pb2p/pRP1k1p1/P4p2/1P3P1P/5KP1/8 w - - 6 38
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
f2g1
f2f1
f2e2
f2e1
g2g4
g2g3
b3b4
h3h4
b5a5
b5b4
b5b8
b5b7
b5b6
c5c6
d6d7

## Board State Fen
r7/8/3Pb2p/pRP1k1p1/P4p2/1P3P1P/5KP1/8 w - - 6 38
assistant
d6d7