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
c5d5
c5c6
c5b6
c5b5
e5e4
d6c4
d6c8
d6e4
d6e8
d6b5
d6b7
d6f5
d6f7

## Board State Fen
8/8/3n4/p1k1p1P1/6P1/2K1P3/8/3B4 b - - 0 46
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
c5d5
c5c6
c5b6
c5b5
e5e4
d6c4
d6c8
d6e4
d6e8
d6b5
d6b7
d6f5
d6f7

## Board State Fen
8/8/3n4/p1k1p1P1/6P1/2K1P3/8/3B4 b - - 0 46
assistant
d6e4