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
b3a1
b3a5
b3c1
b3d2
b3d4
c5c4
b6b5
e6d4
e6d8
e6f4
e6c7
e6g5
a7a5
a7a6
b7a6
b7a8
b7d5
b7c6
b7c8
b7c7
b7b8
d7d6
e7d6
e7d8
e7h4
e7g5
e7f6
f7f6
g7g5
g7g6
h7h5
h7h6
e8a8
e8b8
e8c8
e8d8
g8h8

## Board State Fen
4rrk1/pq1pbppp/1p2n3/2pRPN2/Q7/Pn4P1/1P3PBP/R1B3K1 b - - 6 20
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
b3a1
b3a5
b3c1
b3d2
b3d4
c5c4
b6b5
e6d4
e6d8
e6f4
e6c7
e6g5
a7a5
a7a6
b7a6
b7a8
b7d5
b7c6
b7c8
b7c7
b7b8
d7d6
e7d6
e7d8
e7h4
e7g5
e7f6
f7f6
g7g5
g7g6
h7h5
h7h6
e8a8
e8b8
e8c8
e8d8
g8h8

## Board State Fen
4rrk1/pq1pbppp/1p2n3/2pRPN2/Q7/Pn4P1/1P3PBP/R1B3K1 b - - 6 20
assistant
b3a1