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
b7a5
b7c5
b7d6
b7d8
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
b6b5
a6a5
e7a3
e7b4
e7c5
e7d6
e7d8
g7g5
g7g6
h7h5
h7h6
a8a7
a8d8
a8c8
a8b8
f8d8
f8e8
g8h8

## Board State Fen
r2Q1rk1/1n2bppp/pp2pn2/4N3/2p2B2/2N3P1/PP2PP1P/2R2RK1 b - - 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
b7a5
b7c5
b7d6
b7d8
f6e4
f6e8
f6g4
f6d5
f6d7
f6h5
b6b5
a6a5
e7a3
e7b4
e7c5
e7d6
e7d8
g7g5
g7g6
h7h5
h7h6
a8a7
a8d8
a8c8
a8b8
f8d8
f8e8
g8h8

## Board State Fen
r2Q1rk1/1n2bppp/pp2pn2/4N3/2p2B2/2N3P1/PP2PP1P/2R2RK1 b - - 0 16
assistant
a8d8