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
g6g5
h6h5
c7b8
c7d6
c7d8
c7a7
c7b7
c7e7
c7d7
f7f5
f7f6
g7f6
g7f8
a8a6
a8a7
a8b8
c8d6
c8a7
c8e7
e8g8
e8f8
e8e7
e8d8
e8d7
h8f8
h8g8
h8h7

## Board State Fen
r1n1k2r/2q2pb1/1pp3pp/p1p1p3/P1P1P3/4B2P/1PPN1PP1/R2Q1RK1 b kq - 3 15
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
g6g5
h6h5
c7b8
c7d6
c7d8
c7a7
c7b7
c7e7
c7d7
f7f5
f7f6
g7f6
g7f8
a8a6
a8a7
a8b8
c8d6
c8a7
c8e7
e8g8
e8f8
e8e7
e8d8
e8d7
h8f8
h8g8
h8h7

## Board State Fen
r1n1k2r/2q2pb1/1pp3pp/p1p1p3/P1P1P3/4B2P/1PPN1PP1/R2Q1RK1 b kq - 3 15
assistant
f7f5