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
d5d4
b6b5
c5c4
f6f5
h6h5
a7a5
a7a6
b7a6
b7c6
b7c8
d7a4
d7b5
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
d7e8
d7c7
d7d6
d7e7
d7d8
a8e8
a8d8
a8c8
a8b8
f8b8
f8c8
f8d8
f8e8
f8g8
h8g8
h8g7

## Board State Fen
r4r1k/pb1q1p2/1p3p1p/2pp4/5Q2/P2BP3/1P3PPP/3RK2R b K - 9 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
d5d4
b6b5
c5c4
f6f5
h6h5
a7a5
a7a6
b7a6
b7c6
b7c8
d7a4
d7b5
d7c6
d7c8
d7h3
d7g4
d7f5
d7e6
d7e8
d7c7
d7d6
d7e7
d7d8
a8e8
a8d8
a8c8
a8b8
f8b8
f8c8
f8d8
f8e8
f8g8
h8g8
h8g7

## Board State Fen
r4r1k/pb1q1p2/1p3p1p/2pp4/5Q2/P2BP3/1P3PPP/3RK2R b K - 9 21
assistant
h8g7