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
b6b5
a6a5
d6e5
d6d5
g6g5
b7f3
b7e4
b7d5
b7c6
b7c8
b7a7
b7e7
b7d7
b7c7
f7f5
f7f6
g7e5
g7f6
g7f8
g7h6
g7h8
h7h5
h7h6
a8a7
b8c6
b8d7
d8c8
d8d7
e8f6
e8c7
g8h8
g8f8

## Board State Fen
rn1rn1k1/1q3pbp/pp1pp1p1/4P3/P1P2B2/1PN2N1P/5PP1/2RQ1RK1 b - - 2 17
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
b6b5
a6a5
d6e5
d6d5
g6g5
b7f3
b7e4
b7d5
b7c6
b7c8
b7a7
b7e7
b7d7
b7c7
f7f5
f7f6
g7e5
g7f6
g7f8
g7h6
g7h8
h7h5
h7h6
a8a7
b8c6
b8d7
d8c8
d8d7
e8f6
e8c7
g8h8
g8f8

## Board State Fen
rn1rn1k1/1q3pbp/pp1pp1p1/4P3/P1P2B2/1PN2N1P/5PP1/2RQ1RK1 b - - 2 17
assistant
b8c6