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
c6b4
c6b8
c6d4
c6d8
c6a5
c6e5
e6d5
e6d7
e6h3
e6g4
e6f5
g6g5
h6h5
a7a5
a7a6
b7b5
b7b6
f7f5
f7f6
g7a1
g7b2
g7c3
g7d4
g7e5
g7f6
g7h8
a8b8
c8b8
c8c7
c8e8
c8d8
f8d8
f8e8
g8h8
g8h7

## Board State Fen
r1r2qk1/pp2ppb1/2npb1pp/3N4/1PP5/4B1P1/P2QPPBP/2RR2K1 b - - 1 20
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
c6b4
c6b8
c6d4
c6d8
c6a5
c6e5
e6d5
e6d7
e6h3
e6g4
e6f5
g6g5
h6h5
a7a5
a7a6
b7b5
b7b6
f7f5
f7f6
g7a1
g7b2
g7c3
g7d4
g7e5
g7f6
g7h8
a8b8
c8b8
c8c7
c8e8
c8d8
f8d8
f8e8
g8h8
g8h7

## Board State Fen
r1r2qk1/pp2ppb1/2npb1pp/3N4/1PP5/4B1P1/P2QPPBP/2RR2K1 b - - 1 20
assistant
e6d5