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
a7a5
a7a6
g6g5
c5c4
b7b5
b7b6
e7d6
e7d8
e7h4
e7g5
e7f6
e7f8
e7c7
e7d7
e7e6
f7f5
f7f6
g7f6
g7f8
g7h6
h7h5
h7h6
a8b8
c8h3
c8g4
c8f5
c8e6
c8d7
e8f8
e8d8
e8d7
g8f6
g8h6

## Board State Fen
r1b1k1nr/pp2qpbp/2p3p1/2p1p3/P3P3/3P1N2/1PP2PPP/RNBQR1K1 b kq a3 0 8
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
a7a5
a7a6
g6g5
c5c4
b7b5
b7b6
e7d6
e7d8
e7h4
e7g5
e7f6
e7f8
e7c7
e7d7
e7e6
f7f5
f7f6
g7f6
g7f8
g7h6
h7h5
h7h6
a8b8
c8h3
c8g4
c8f5
c8e6
c8d7
e8f8
e8d8
e8d7
g8f6
g8h6

## Board State Fen
r1b1k1nr/pp2qpbp/2p3p1/2p1p3/P3P3/3P1N2/1PP2PPP/RNBQR1K1 b kq a3 0 8
assistant
g8f6