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
a1d1
a1c1
a1b1
e1b1
e1c1
e1d1
e1f1
e1e3
e1e2
g1h1
g1f1
a2a4
a2a3
b2b4
b2b3
f2f3
g2g4
g2g3
h2h4
h2h3
c3c4
e4d2
e4d6
e4f6
e4c5
e4g3
e4g5

## Board State Fen
4rrk1/1ppn3p/8/1p1p4/4Np2/2P5/PP3PPP/R3R1K1 w - - 0 23
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
a1d1
a1c1
a1b1
e1b1
e1c1
e1d1
e1f1
e1e3
e1e2
g1h1
g1f1
a2a4
a2a3
b2b4
b2b3
f2f3
g2g4
g2g3
h2h4
h2h3
c3c4
e4d2
e4d6
e4f6
e4c5
e4g3
e4g5

## Board State Fen
4rrk1/1ppn3p/8/1p1p4/4Np2/2P5/PP3PPP/R3R1K1 w - - 0 23
assistant
e4g5