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
e5e4
f5f4
d6b8
d6c7
d6f8
d6e7
a8a5
a8a6
a8a7
a8c8
a8b8
d8c6
d8e6
d8b7
d8f7
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
r2nr1k1/6p1/3b2Pp/1pp1pp1P/p6N/P1BPP3/1P3P2/R3K1R1 b Q - 1 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
b5b4
c5c4
e5e4
f5f4
d6b8
d6c7
d6f8
d6e7
a8a5
a8a6
a8a7
a8c8
a8b8
d8c6
d8e6
d8b7
d8f7
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
r2nr1k1/6p1/3b2Pp/1pp1pp1P/p6N/P1BPP3/1P3P2/R3K1R1 b Q - 1 23
assistant
e8f8