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
b6a5
b6f2
b6e3
b6d4
b6c5
b6d8
b6c7
d6d1
d6d2
d6d3
d6d4
d6d5
d6e6
d6d8
d6d7
c6c5
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
f6h7
h6h5
a7a5
a7a6
e7d8
e7c7
e7d7
e7e6
e7e8
g7g5
g7g6
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
5rk1/pp2qpp1/1bpr1n1p/4pQ2/4P3/1BP4P/PP3PP1/2BRR1K1 b - - 4 21
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
b6a5
b6f2
b6e3
b6d4
b6c5
b6d8
b6c7
d6d1
d6d2
d6d3
d6d4
d6d5
d6e6
d6d8
d6d7
c6c5
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
f6h7
h6h5
a7a5
a7a6
e7d8
e7c7
e7d7
e7e6
e7e8
g7g5
g7g6
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
5rk1/pp2qpp1/1bpr1n1p/4pQ2/4P3/1BP4P/PP3PP1/2BRR1K1 b - - 4 21
assistant
f8d8