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
c6b4
c6b8
c6d4
c6a5
c6a7
c6e5
e6e5
d7c8
d7e8
e7a3
e7b4
e7c5
e7d6
e7g5
e7f6
e7f8
f7f5
f7f6
g7g6
h7h5
h7h6
a8a3
a8a4
a8a5
a8a6
a8a7
a8c8
a8b8
d8b8
d8c8
d8f8
d8e8
g8h8
g8f8

## Board State Fen
r2r2k1/1p1bbppp/1pn1p3/6P1/4P3/P3BN1P/1P3PB1/R2R2K1 b - - 3 19
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
c6b4
c6b8
c6d4
c6a5
c6a7
c6e5
e6e5
d7c8
d7e8
e7a3
e7b4
e7c5
e7d6
e7g5
e7f6
e7f8
f7f5
f7f6
g7g6
h7h5
h7h6
a8a3
a8a4
a8a5
a8a6
a8a7
a8c8
a8b8
d8b8
d8c8
d8f8
d8e8
g8h8
g8f8

## Board State Fen
r2r2k1/1p1bbppp/1pn1p3/6P1/4P3/P3BN1P/1P3PB1/R2R2K1 b - - 3 19
assistant
e7c5