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
d5a2
d5b3
d5c4
d5c6
d5h1
d5g2
d5f3
d5e4
g5f4
g5g4
f7g8
f7g7
f7f8
f7e8
f7e7

## Board State Fen
8/1p3k2/1p2p2p/1P1bP1pP/P2K1P2/8/8/3B4 b - - 0 42
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
d5a2
d5b3
d5c4
d5c6
d5h1
d5g2
d5f3
d5e4
g5f4
g5g4
f7g8
f7g7
f7f8
f7e8
f7e7

## Board State Fen
8/1p3k2/1p2p2p/1P1bP1pP/P2K1P2/8/8/3B4 b - - 0 42
assistant
g5f4