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
d5b3
d5c4
d5a8
d5b7
d5c6
d5f3
d5e4
d5e6
d5b5
d5c5
d5d3
d5d4
d5h5
d5g5
d5f5
d5e5
d5d8
d5d7
d5d6
f6e4
f6g4
f6d7
f6h5
h7h5
h7h6
g7g5
g7g6
c7c5
c7c6
e8a8
e8b8
e8c8
e8d8
e8e1
e8e2
e8e3
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
4r1k1/2p2ppp/5n2/1N1q4/8/1P1P1N2/1P1Q1PKP/4R3 b - - 2 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
d5b3
d5c4
d5a8
d5b7
d5c6
d5f3
d5e4
d5e6
d5b5
d5c5
d5d3
d5d4
d5h5
d5g5
d5f5
d5e5
d5d8
d5d7
d5d6
f6e4
f6g4
f6d7
f6h5
h7h5
h7h6
g7g5
g7g6
c7c5
c7c6
e8a8
e8b8
e8c8
e8d8
e8e1
e8e2
e8e3
e8e4
e8e5
e8e6
e8e7
e8f8
g8h8
g8f8

## Board State Fen
4r1k1/2p2ppp/5n2/1N1q4/8/1P1P1N2/1P1Q1PKP/4R3 b - - 2 20
assistant
d5b5