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
d5d4
e5a1
e5b2
e5c3
e5d4
e5b8
e5c7
e5d6
e5f4
e5h8
e5g7
e5f6
h5h4
g6g5
a7a5
a7a6
f7f5
f7f6
e8a8
e8b8
e8c8
e8d8
e8e6
e8e7
e8f8
g8h8
g8h7
g8g7
g8f8

## Board State Fen
4r1k1/p4p2/6p1/3pb2p/P4B2/3RP1P1/5P1P/5K2 b - - 1 27
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
d5d4
e5a1
e5b2
e5c3
e5d4
e5b8
e5c7
e5d6
e5f4
e5h8
e5g7
e5f6
h5h4
g6g5
a7a5
a7a6
f7f5
f7f6
e8a8
e8b8
e8c8
e8d8
e8e6
e8e7
e8f8
g8h8
g8h7
g8g7
g8f8

## Board State Fen
4r1k1/p4p2/6p1/3pb2p/P4B2/3RP1P1/5P1P/5K2 b - - 1 27
assistant
e5f4