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
d6a6
d6b6
d6c6
d6d4
d6d5
d6f6
d6e6
d6d8
d6d7
g6g5
c7d8
c7d7
c7c8
c7c6
c7b8
c7b7
c7b6

## Board State Fen
8/2k2B2/3r2p1/5p1p/3P1P1P/4P1K1/5P2/8 b - - 11 55
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
d6a6
d6b6
d6c6
d6d4
d6d5
d6f6
d6e6
d6d8
d6d7
g6g5
c7d8
c7d7
c7c8
c7c6
c7b8
c7b7
c7b6

## Board State Fen
8/2k2B2/3r2p1/5p1p/3P1P1P/4P1K1/5P2/8 b - - 11 55
assistant
d6d7