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
a8a7
a8d8
a8c8
a8b8
h7h5
h7h6
g7g5
g7g6
c6c5
f7f5
f7f6
a6a5
d7c5
d7b6
d7b8
d7f6
e5e4
b5b4
e8c8
e8e7
e8d8
f8a3
f8b4
f8c5
f8d6
f8e7
h8g8

## Board State Fen
r3kb1r/3n1ppp/p1p5/1p2p3/8/1BB5/PPP1RPPP/2KR4 b kq - 2 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
a8a7
a8d8
a8c8
a8b8
h7h5
h7h6
g7g5
g7g6
c6c5
f7f5
f7f6
a6a5
d7c5
d7b6
d7b8
d7f6
e5e4
b5b4
e8c8
e8e7
e8d8
f8a3
f8b4
f8c5
f8d6
f8e7
h8g8

## Board State Fen
r3kb1r/3n1ppp/p1p5/1p2p3/8/1BB5/PPP1RPPP/2KR4 b kq - 2 16
assistant
f7f6