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
a6b5
a6c8
a6b7
b2a1
b2a3
b2c1
b2f6
b2e5
b2d4
b2c3
b6a5
b6f2
b6e3
b6d4
b6c5
b6d8
b6c7
b6b5
b6c6
b6b8
b6b7
e6e5
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
5rk1/p4ppp/bqN1p3/1N6/Q4P2/8/1b2PPBP/5RK1 b - - 0 21
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
a6b5
a6c8
a6b7
b2a1
b2a3
b2c1
b2f6
b2e5
b2d4
b2c3
b6a5
b6f2
b6e3
b6d4
b6c5
b6d8
b6c7
b6b5
b6c6
b6b8
b6b7
e6e5
f7f5
f7f6
g7g5
g7g6
h7h5
h7h6
f8a8
f8b8
f8c8
f8d8
f8e8
g8h8

## Board State Fen
5rk1/p4ppp/bqN1p3/1N6/Q4P2/8/1b2PPBP/5RK1 b - - 0 21
assistant
b6b5