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
a5a4
b5b4
h5h4
b6a7
b6g1
b6f2
b6e3
b6d4
b6c5
b6d8
b6c7
b6a6
c6e4
c6d5
c6e8
c6d7
d6d5
e6e5
f6f5
b7a7
b7d7
b7c7
e7d8
e7f8
b8c8
b8c7
b8a8
b8a7
h8c8
h8d8
h8e8
h8f8
h8g8
h8h6
h8h7

## Board State Fen
1k5r/1r2bp2/1qbppp2/pp5p/4P3/PBPN1PP1/1P1Q3P/1K1RR3 b - - 5 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
a5a4
b5b4
h5h4
b6a7
b6g1
b6f2
b6e3
b6d4
b6c5
b6d8
b6c7
b6a6
c6e4
c6d5
c6e8
c6d7
d6d5
e6e5
f6f5
b7a7
b7d7
b7c7
e7d8
e7f8
b8c8
b8c7
b8a8
b8a7
h8c8
h8d8
h8e8
h8f8
h8g8
h8h6
h8h7

## Board State Fen
1k5r/1r2bp2/1qbppp2/pp5p/4P3/PBPN1PP1/1P1Q3P/1K1RR3 b - - 5 23
assistant
b7d7