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
c5d6
c5d5
c5d4
c5c6
c5b6
f6e4
f6e8
f6g4
f6g8
f6d5
f6d7
f6h5
f6h7
g7g5
g7g6
a5a4

## Board State Fen
8/6p1/5n2/p1k5/7P/1K1B4/5P2/8 b - - 5 51
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
c5d6
c5d5
c5d4
c5c6
c5b6
f6e4
f6e8
f6g4
f6g8
f6d5
f6d7
f6h5
f6h7
g7g5
g7g6
a5a4

## Board State Fen
8/6p1/5n2/p1k5/7P/1K1B4/5P2/8 b - - 5 51
assistant
f6g4