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
b4a4
b4b3
b4c4
b4b8
b4b7
b4b6
b4b5
d5c4
d5d4
g6g5
c7b5
c7a6
c7e8
f7f5
f7f6
h7h5
h7h6
a8a6
a8a7
a8c8
a8b8
d8h4
d8g5
d8f6
d8e7
d8b8
d8c8
d8d6
d8d7
d8e8
f8c5
f8d6
f8e7
f8h6
f8g7
g8h8
g8g7

## Board State Fen
r2q1bk1/2n2p1p/2p1p1p1/p1NpP3/PrP2P2/1P3R1P/4QBPK/2R5 b - - 11 23
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
b4a4
b4b3
b4c4
b4b8
b4b7
b4b6
b4b5
d5c4
d5d4
g6g5
c7b5
c7a6
c7e8
f7f5
f7f6
h7h5
h7h6
a8a6
a8a7
a8c8
a8b8
d8h4
d8g5
d8f6
d8e7
d8b8
d8c8
d8d6
d8d7
d8e8
f8c5
f8d6
f8e7
f8h6
f8g7
g8h8
g8g7

## Board State Fen
r2q1bk1/2n2p1p/2p1p1p1/p1NpP3/PrP2P2/1P3R1P/4QBPK/2R5 b - - 11 23
assistant
f8e7