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
d4b2
d4c3
d4a7
d4b6
d4c5
d4f2
d4e3
d4h8
d4g7
d4f6
d4e5
h7f6
g5g4
c7c5
c7c6
b7b5
b7b6
d6d5
a5a4
a8a6
a8a7
a8b8
c8h3
c8g4
c8f5
c8e6
c8d7
d8f6
d8e7
d8d7
d8e8
f8e8
g8h8
g8g7

## Board State Fen
r1bq1rk1/1pp2p1n/3p4/p5p1/2BbP2p/5N1P/PP3PPB/R2QR1K1 b - - 1 17
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
d4b2
d4c3
d4a7
d4b6
d4c5
d4f2
d4e3
d4h8
d4g7
d4f6
d4e5
h7f6
g5g4
c7c5
c7c6
b7b5
b7b6
d6d5
a5a4
a8a6
a8a7
a8b8
c8h3
c8g4
c8f5
c8e6
c8d7
d8f6
d8e7
d8d7
d8e8
f8e8
g8h8
g8g7

## Board State Fen
r1bq1rk1/1pp2p1n/3p4/p5p1/2BbP2p/5N1P/PP3PPB/R2QR1K1 b - - 1 17
assistant
d4b2