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
f5f4
a6a5
b6a4
b6a8
b6c4
b6c8
b6d5
b6d7
c6b4
c6b8
c6d4
c6d8
c6a5
c6a7
c6e5
f6b2
f6c3
f6d4
f6e5
f6g5
b7a8
b7c8
e7d7
e7e1
e7e2
e7e3
e7e4
e7e5
e7e6
e7f7
e7e8
g7f8
g7h6
g7f7
g7g8
h7h5
h7h6
h8g8

## Board State Fen
7k/1bp1r1qp/pnn2bp1/1p1P1pB1/8/PB3NN1/1P1Q1PPP/4R1K1 b - - 0 25
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
f5f4
a6a5
b6a4
b6a8
b6c4
b6c8
b6d5
b6d7
c6b4
c6b8
c6d4
c6d8
c6a5
c6a7
c6e5
f6b2
f6c3
f6d4
f6e5
f6g5
b7a8
b7c8
e7d7
e7e1
e7e2
e7e3
e7e4
e7e5
e7e6
e7f7
e7e8
g7f8
g7h6
g7f7
g7g8
h7h5
h7h6
h8g8

## Board State Fen
7k/1bp1r1qp/pnn2bp1/1p1P1pB1/8/PB3NN1/1P1Q1PPP/4R1K1 b - - 0 25
assistant
c6d4