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
d3b1
d3c2
d3a6
d3b5
d3c4
d3f5
d3e4
d3d2
d3e3
d4a7
d4b6
d4c5
d4e3
d4f6
d4e5
g3g4
d1a1
d1b1
d1c1
d1d2
f3d5
f3e4
f3h1
f3g2
f3h5
f3g4
b2b4
b2b3
c3b1
c3b5
c3d5
c3a2
c3a4
c3e4
e2e4
e2e3
g1h2
g1h1
g1g2
g1f1
e1f1

## Board State Fen
r2qr3/5p1k/2p2npb/3p1b1p/p2B3P/P1NQ1BP1/1P2PP2/3RR1K1 w - - 6 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
d3b1
d3c2
d3a6
d3b5
d3c4
d3f5
d3e4
d3d2
d3e3
d4a7
d4b6
d4c5
d4e3
d4f6
d4e5
g3g4
d1a1
d1b1
d1c1
d1d2
f3d5
f3e4
f3h1
f3g2
f3h5
f3g4
b2b4
b2b3
c3b1
c3b5
c3d5
c3a2
c3a4
c3e4
e2e4
e2e3
g1h2
g1h1
g1g2
g1f1
e1f1

## Board State Fen
r2qr3/5p1k/2p2npb/3p1b1p/p2B3P/P1NQ1BP1/1P2PP2/3RR1K1 w - - 6 20
assistant
d4f6