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
a6a5
e6e5
f6f5
e7a3
e7b4
e7c5
e7d6
e7d8
e7f8
h7h5
h7h6
c8a8
c8b8
c8c4
c8c5
c8c6
c8c7
c8d8
e8g8
e8f8
h8f8
h8g8

## Board State Fen
2r1k2r/4bp1p/p3pp2/8/2N5/1P6/P4PPP/R2R2K1 b k - 1 19
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
a6a5
e6e5
f6f5
e7a3
e7b4
e7c5
e7d6
e7d8
e7f8
h7h5
h7h6
c8a8
c8b8
c8c4
c8c5
c8c6
c8c7
c8d8
e8g8
e8f8
h8f8
h8g8

## Board State Fen
2r1k2r/4bp1p/p3pp2/8/2N5/1P6/P4PPP/R2R2K1 b k - 1 19
assistant
c8c7