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
d1a1
d1b1
d1c1
d1g1
d1f1
d1e1
d1d4
d1d3
d1d2
h1g2
h1g1
a2a3
h2h4
h2h3
d5b3
d5c4
d5a8
d5b7
d5c6
d5g2
d5f3
d5e4
d5f7
d5e6
f5f6

## Board State Fen
8/5p1k/7p/r2B1P2/P4P2/2b1p3/P6P/3R3K w - - 0 36
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
d1a1
d1b1
d1c1
d1g1
d1f1
d1e1
d1d4
d1d3
d1d2
h1g2
h1g1
a2a3
h2h4
h2h3
d5b3
d5c4
d5a8
d5b7
d5c6
d5g2
d5f3
d5e4
d5f7
d5e6
f5f6

## Board State Fen
8/5p1k/7p/r2B1P2/P4P2/2b1p3/P6P/3R3K w - - 0 36
assistant
d5f7