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
b5b4
c5c4
a6a5
c6b4
c6b8
c6d4
c6a5
c6a7
c6e5
e6e5
b7c8
d7d5
d7d6
e7d5
e7f5
e7c8
e7g6
e7g8
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
a8a7
a8c8
a8b8
d8a5
d8b6
d8c7
d8b8
d8c8
h8g8

## Board State Fen
r2qkb1r/1b1pnppp/p1n1p3/1pp5/4P3/2P2N2/PPBPQPPP/RNB2RK1 b kq - 3 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
b5b4
c5c4
a6a5
c6b4
c6b8
c6d4
c6a5
c6a7
c6e5
e6e5
b7c8
d7d5
d7d6
e7d5
e7f5
e7c8
e7g6
e7g8
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
a8a7
a8c8
a8b8
d8a5
d8b6
d8c7
d8b8
d8c8
h8g8

## Board State Fen
r2qkb1r/1b1pnppp/p1n1p3/1pp5/4P3/2P2N2/PPBPQPPP/RNB2RK1 b kq - 3 8
assistant
d7d5