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
d1d3
d1d2
g1h1
g1f2
g1f1
a2a3
g2g4
g2g3
h2h4
h2h3
b3a4
b3c2
b3e6
b3d5
b3c4
e3e4
d4c2
d4c6
d4e2
d4e6
d4b5
d4f3
d4f5
f4f5

## Board State Fen
4b2k/1p2bpp1/4p2p/2r5/p2N1P2/1B2P3/PP4PP/3R2K1 w - - 0 30
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
d1d3
d1d2
g1h1
g1f2
g1f1
a2a3
g2g4
g2g3
h2h4
h2h3
b3a4
b3c2
b3e6
b3d5
b3c4
e3e4
d4c2
d4c6
d4e2
d4e6
d4b5
d4f3
d4f5
f4f5

## Board State Fen
4b2k/1p2bpp1/4p2p/2r5/p2N1P2/1B2P3/PP4PP/3R2K1 w - - 0 30
assistant
b3c2