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
d1d6
d1d5
d1d4
d1d3
d1d2
e1f2
e1f1
b2b4
b2b3
e2c2
e2d2
e2f2
g2g4
g2g3
h2h4
h2h3
e3d5
e3f1
e3f5
e3c2
e3c4
e3g4
f3f4
a4a5

## Board State Fen
3r4/2p2pk1/p1nr2p1/7p/P7/4NP2/1P2R1PP/3RK3 w - - 15 35
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
d1d6
d1d5
d1d4
d1d3
d1d2
e1f2
e1f1
b2b4
b2b3
e2c2
e2d2
e2f2
g2g4
g2g3
h2h4
h2h3
e3d5
e3f1
e3f5
e3c2
e3c4
e3g4
f3f4
a4a5

## Board State Fen
3r4/2p2pk1/p1nr2p1/7p/P7/4NP2/1P2R1PP/3RK3 w - - 15 35
assistant
d1d6