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
a1f1
a1e1
a1d1
a1c1
a1b1
g1h1
g1f1
a2a4
a2a3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b3a5
b3c1
b3c5
b3d2
b3d4
d5a5
d5b5
d5c5
d5d1
d5d2
d5d3
d5d4
d5h5
d5g5
d5f5
d5e5
d5d8
d5d7
d5d6

## Board State Fen
2rr4/4ppkp/p1n3p1/3R4/8/1N6/P4PPP/R5K1 w - - 4 28
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
a1f1
a1e1
a1d1
a1c1
a1b1
g1h1
g1f1
a2a4
a2a3
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b3a5
b3c1
b3c5
b3d2
b3d4
d5a5
d5b5
d5c5
d5d1
d5d2
d5d3
d5d4
d5h5
d5g5
d5f5
d5e5
d5d8
d5d7
d5d6

## Board State Fen
2rr4/4ppkp/p1n3p1/3R4/8/1N6/P4PPP/R5K1 w - - 4 28
assistant
a1d1