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
d1a1
d1b1
d1c1
d1f1
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
h2h4
h2h3
g2g4
g2g3
g1h1
g1f1
c3c4
e3d5
e3f1
e3f5
e3c2
e3c4
e3g4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
b4b5

## Board State Fen
6k1/npp2pp1/p3r2p/P3p3/1P2n3/2P1NN2/5PPP/3R2K1 w - - 0 22
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
d1a1
d1b1
d1c1
d1f1
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
h2h4
h2h3
g2g4
g2g3
g1h1
g1f1
c3c4
e3d5
e3f1
e3f5
e3c2
e3c4
e3g4
f3e1
f3e5
f3g5
f3d2
f3d4
f3h4
b4b5

## Board State Fen
6k1/npp2pp1/p3r2p/P3p3/1P2n3/2P1NN2/5PPP/3R2K1 w - - 0 22
assistant
d1d8