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
e1f2
e1f1
e1e2
e1d2
e1d1
a3a1
a3a2
a3d3
a3c3
a3b3
a3a4
e3d1
e3d5
e3f1
e3f5
e3c2
e3c4
e3g2
e3g4
f4f5
a5a6

## Board State Fen
6k1/5p2/6p1/P1n5/5P1r/R3N3/8/4K3 w - - 0 40
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
e1f2
e1f1
e1e2
e1d2
e1d1
a3a1
a3a2
a3d3
a3c3
a3b3
a3a4
e3d1
e3d5
e3f1
e3f5
e3c2
e3c4
e3g2
e3g4
f4f5
a5a6

## Board State Fen
6k1/5p2/6p1/P1n5/5P1r/R3N3/8/4K3 w - - 0 40
assistant
a5a6