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
c5c4
b4c3
b4b3
e5c3
e5d4
e5d6
e5g3
e5f4
b6a4
b6c4
b6d5
b6d7
f6e4
f6g4
f6d5
f6d7
f6h5
f6h7
h6h5
c7b8
c7d6
c7d8
c7a7
c7b7
c7c6
c7e7
c7d7
g7g5
g7g6
a8a7
a8b8
c8b7
c8f5
c8e6
c8d7
e8d8
e8e6
e8e7
e8f8
g8h8
g8h7
g8f8

## Board State Fen
r1b1r1k1/2q2pp1/pn3n1p/P1p1bN2/1p2P3/2N1BBP1/1PQ2P1P/R2R2K1 b - - 0 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
c5c4
b4c3
b4b3
e5c3
e5d4
e5d6
e5g3
e5f4
b6a4
b6c4
b6d5
b6d7
f6e4
f6g4
f6d5
f6d7
f6h5
f6h7
h6h5
c7b8
c7d6
c7d8
c7a7
c7b7
c7c6
c7e7
c7d7
g7g5
g7g6
a8a7
a8b8
c8b7
c8f5
c8e6
c8d7
e8d8
e8e6
e8e7
e8f8
g8h8
g8h7
g8f8

## Board State Fen
r1b1r1k1/2q2pp1/pn3n1p/P1p1bN2/1p2P3/2N1BBP1/1PQ2P1P/R2R2K1 b - - 0 20
assistant
b6c4