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
a6a5
c6b4
c6b8
c6d4
c6a5
c6a7
c6e7
d6a3
d6b4
d6c5
d6f8
d6e7
f6e4
f6g4
f6d5
f6h5
b7b5
b7b6
g7g6
h7h5
h7h6
a8a7
a8b8
d8e7
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
r1bqr1k1/1ppp1ppp/p1nb1n2/4p1B1/B3P3/2PP1N2/PP2QPPP/RN2K2R b KQ - 2 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
a6a5
c6b4
c6b8
c6d4
c6a5
c6a7
c6e7
d6a3
d6b4
d6c5
d6f8
d6e7
f6e4
f6g4
f6d5
f6h5
b7b5
b7b6
g7g6
h7h5
h7h6
a8a7
a8b8
d8e7
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
r1bqr1k1/1ppp1ppp/p1nb1n2/4p1B1/B3P3/2PP1N2/PP2QPPP/RN2K2R b KQ - 2 8
assistant
b7b5