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
e1a1
e1b1
e1c1
e1d1
e1f1
e1e4
e1e3
e1e2
a2a3
g1h1
g2f1
g2h1
g2h3
h2h4
h2h3
b3b4
f3e5
f3g5
f3d2
f3d4
f3h4
g3g4
a4b2
a4b6
a4c3
a4c5
a5d2
a5c3
a5b4
a5d8
a5c7
a5b6

## Board State Fen
4r1k1/6b1/5npp/Bbp5/N2pn3/1P3NP1/P4PBP/4R1K1 w - - 6 26
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
e1a1
e1b1
e1c1
e1d1
e1f1
e1e4
e1e3
e1e2
a2a3
g1h1
g2f1
g2h1
g2h3
h2h4
h2h3
b3b4
f3e5
f3g5
f3d2
f3d4
f3h4
g3g4
a4b2
a4b6
a4c3
a4c5
a5d2
a5c3
a5b4
a5d8
a5c7
a5b6

## Board State Fen
4r1k1/6b1/5npp/Bbp5/N2pn3/1P3NP1/P4PBP/4R1K1 w - - 6 26
assistant
a4b6