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
b6a6
b6b5
b6b8
b6b7
a4a3
b4b3
c6b8
c6d4
c6d8
c6a5
c6a7
c6e7
d6d5
f6e4
f6g4
f6d5
f6h5
f6h7
h6h5
c7b8
c7d8
c7a7
c7b7
c7c8
d7c8
d7f5
d7e6
g7g5
g7g6
e8a8
e8b8
e8c8
e8d8
e8e6
e8e7
e8f8
g8h8
g8h7
g8f8

## Board State Fen
4r1k1/2qb1pp1/1rnp1n1p/2p1pP2/ppP1P1PN/3PN2P/PP3QB1/3R1R1K b - - 0 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
b6a6
b6b5
b6b8
b6b7
a4a3
b4b3
c6b8
c6d4
c6d8
c6a5
c6a7
c6e7
d6d5
f6e4
f6g4
f6d5
f6h5
f6h7
h6h5
c7b8
c7d8
c7a7
c7b7
c7c8
d7c8
d7f5
d7e6
g7g5
g7g6
e8a8
e8b8
e8c8
e8d8
e8e6
e8e7
e8f8
g8h8
g8h7
g8f8

## Board State Fen
4r1k1/2qb1pp1/1rnp1n1p/2p1pP2/ppP1P1PN/3PN2P/PP3QB1/3R1R1K b - - 0 23
assistant
b6a6