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
c6a4
c6b5
c6a8
c6b7
c6c2
c6c3
c6c4
c6c5
c6c8
c6c7
d6a3
d6b4
d6c5
d6b8
d6c7
d6h2
d6g3
d6f4
d6e5
d6e7
e6e5
a7a5
a7a6
d7c5
d7e5
d7b8
d7f6
f7f5
f7f6
g7g5
g7g6
e8a8
e8b8
e8c8
e8d8
e8e7
g8h8
g8h7

## Board State Fen
4rrk1/p2n1pp1/1pqbp2p/3p3N/3P4/P3RN2/1PPQ1PPP/3R2K1 b - - 1 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
c6a4
c6b5
c6a8
c6b7
c6c2
c6c3
c6c4
c6c5
c6c8
c6c7
d6a3
d6b4
d6c5
d6b8
d6c7
d6h2
d6g3
d6f4
d6e5
d6e7
e6e5
a7a5
a7a6
d7c5
d7e5
d7b8
d7f6
f7f5
f7f6
g7g5
g7g6
e8a8
e8b8
e8c8
e8d8
e8e7
g8h8
g8h7

## Board State Fen
4rrk1/p2n1pp1/1pqbp2p/3p3N/3P4/P3RN2/1PPQ1PPP/3R2K1 b - - 1 19
assistant
e8c8