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
a1a4
a1a3
a1a2
g1h1
g1g2
g1f1
f2f4
f2f3
h2h4
h2h3
c3c4
g3g4
e7d5
e7f5
e7c6
e7c8
e7g6
e7g8

## Board State Fen
3r1k2/4Np1p/p7/4b3/p3p3/2P3P1/5P1P/R5K1 w - - 4 31
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
a1a4
a1a3
a1a2
g1h1
g1g2
g1f1
f2f4
f2f3
h2h4
h2h3
c3c4
g3g4
e7d5
e7f5
e7c6
e7c8
e7g6
e7g8

## Board State Fen
3r1k2/4Np1p/p7/4b3/p3p3/2P3P1/5P1P/R5K1 w - - 4 31
assistant
e7f5