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
a5a4
e5e4
f6f5
h6h5
d7a4
d7b5
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
d7e8
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8
g8h7
g8g7

## Board State Fen
5rk1/3b1p2/5p1p/p1R1p3/8/1P6/P3BPPP/6K1 b - - 3 26
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
a5a4
e5e4
f6f5
h6h5
d7a4
d7b5
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
d7e8
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8
g8h7
g8g7

## Board State Fen
5rk1/3b1p2/5p1p/p1R1p3/8/1P6/P3BPPP/6K1 b - - 3 26
assistant
f8c8