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
d5c4
d5a8
d5b7
d5c6
d5g2
d5f3
d5e4
d5e6
d5b5
d5c5
d5d1
d5d2
d5d3
d5d4
d5h5
d5g5
d5f5
d5e5
d5d7
d5d6
g7g5
g7g6
f6e4
f6e8
f6g4
f6d7
f6h5
a5b4
a5a4
h7h5
h7h6
d8c7
d8e7
f8e8
g8h8

## Board State Fen
3b1rk1/2R2ppp/1p3n2/pN1q4/1PB5/P7/4QPPP/6K1 b - - 5 25
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
d5c4
d5a8
d5b7
d5c6
d5g2
d5f3
d5e4
d5e6
d5b5
d5c5
d5d1
d5d2
d5d3
d5d4
d5h5
d5g5
d5f5
d5e5
d5d7
d5d6
g7g5
g7g6
f6e4
f6e8
f6g4
f6d7
f6h5
a5b4
a5a4
h7h5
h7h6
d8c7
d8e7
f8e8
g8h8

## Board State Fen
3b1rk1/2R2ppp/1p3n2/pN1q4/1PB5/P7/4QPPP/6K1 b - - 5 25
assistant
d5f5