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
c6b4
c6b8
c6d4
c6d8
c6a7
c6e5
c6e7
d7c5
d7e5
d7b6
d7b8
d7f6
d7f8
g7g5
g7g6
h7h5
h7h6
c8b7
h8d8
h8e8
h8f8
h8g8

## Board State Fen
2k4r/1R1n1Npp/2n1p3/p2pP3/N4P2/8/PP3KPP/8 b - - 0 24
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
c6b4
c6b8
c6d4
c6d8
c6a7
c6e5
c6e7
d7c5
d7e5
d7b6
d7b8
d7f6
d7f8
g7g5
g7g6
h7h5
h7h6
c8b7
h8d8
h8e8
h8f8
h8g8

## Board State Fen
2k4r/1R1n1Npp/2n1p3/p2pP3/N4P2/8/PP3KPP/8 b - - 0 24
assistant
c8b7