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
e6b3
e6c4
e6d5
e6c8
e6d7
e6h3
e6g4
e6f5
a5a4
f6e4
f6g4
f6d5
f6d7
f6h5
f6h7
h6h5
b7b5
b7b6
c7b6
c7b8
c7d6
c7d8
e7c5
e7d6
e7d8
e7f8
e7d7
g7g5
g7g6
a8a6
a8a7
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8f8
g8h8
g8h7
g8f8

## Board State Fen
r3r1k1/1pb1qpp1/2p1bn1p/p1P1p3/4P3/1PNBB2P/P3QPP1/R3R1K1 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
e6b3
e6c4
e6d5
e6c8
e6d7
e6h3
e6g4
e6f5
a5a4
f6e4
f6g4
f6d5
f6d7
f6h5
f6h7
h6h5
b7b5
b7b6
c7b6
c7b8
c7d6
c7d8
e7c5
e7d6
e7d8
e7f8
e7d7
g7g5
g7g6
a8a6
a8a7
a8d8
a8c8
a8b8
e8b8
e8c8
e8d8
e8f8
g8h8
g8h7
g8f8

## Board State Fen
r3r1k1/1pb1qpp1/2p1bn1p/p1P1p3/4P3/1PNBB2P/P3QPP1/R3R1K1 b - - 0 20
assistant
f6d7