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
a5a4
c5b3
c5d3
c5a4
c5a6
c5e4
c5e6
f6f5
g6g5
b7b5
b7b6
c7c6
d7a4
d7b5
d7c6
d7c8
d7g4
d7f5
d7e6
d7e8
g7h6
h7h5
h7h6
a8a6
a8a7
a8c8
a8b8
d8e7
d8b8
d8c8
d8e8
f8e8
f8f7
g8h6
g8e7

## Board State Fen
r2q1rnk/1ppb2bp/3p1pp1/p1nPp3/2P1P1PP/1PN1B3/P2NBP2/2RQ2RK b - h3 0 16
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
a5a4
c5b3
c5d3
c5a4
c5a6
c5e4
c5e6
f6f5
g6g5
b7b5
b7b6
c7c6
d7a4
d7b5
d7c6
d7c8
d7g4
d7f5
d7e6
d7e8
g7h6
h7h5
h7h6
a8a6
a8a7
a8c8
a8b8
d8e7
d8b8
d8c8
d8e8
f8e8
f8f7
g8h6
g8e7

## Board State Fen
r2q1rnk/1ppb2bp/3p1pp1/p1nPp3/2P1P1PP/1PN1B3/P2NBP2/2RQ2RK b - h3 0 16
assistant
f6f5