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
c4b2
c4b6
c4d2
c4d6
c4a3
c4e3
c4e5
g7g5
g7g6
h7h5
h7h6
f6f5
e6e5
a5a4
a8a6
a8a7
a8f8
a8e8
a8d8
a8c8
a8b8
g8h8
g8f8
g8f7

## Board State Fen
r5k1/6pp/2N1pp2/pR6/2nPP3/P5P1/5P1P/6K1 b - - 0 27
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
c4b2
c4b6
c4d2
c4d6
c4a3
c4e3
c4e5
g7g5
g7g6
h7h5
h7h6
f6f5
e6e5
a5a4
a8a6
a8a7
a8f8
a8e8
a8d8
a8c8
a8b8
g8h8
g8f8
g8f7

## Board State Fen
r5k1/6pp/2N1pp2/pR6/2nPP3/P5P1/5P1P/6K1 b - - 0 27
assistant
a5a4