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
b2a1
b2a3
b2c1
b2d4
b2c3
e1a1
e1b1
e1c1
e1d1
e1f1
e1e3
e1e2
g1h2
g1h1
g1f1
g2g4
g2g3
f2f4
f2f3
h3h4
a4d1
a4c2
a4b3
a4e8
a4d7
a4c6
a4b5
a4a1
a4a2
a4a3
a4d4
a4c4
a4b4
a4a8
a4a7
a4a6
a4a5
e5d3
e5d7
e5f3
e5f7
e5c4
e5c6
e5g4
e5g6

## Board State Fen
4r1k1/5pbp/5np1/2p1N3/Q3P3/7P/1B1q1PP1/4R1K1 w - - 0 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
b2a1
b2a3
b2c1
b2d4
b2c3
e1a1
e1b1
e1c1
e1d1
e1f1
e1e3
e1e2
g1h2
g1h1
g1f1
g2g4
g2g3
f2f4
f2f3
h3h4
a4d1
a4c2
a4b3
a4e8
a4d7
a4c6
a4b5
a4a1
a4a2
a4a3
a4d4
a4c4
a4b4
a4a8
a4a7
a4a6
a4a5
e5d3
e5d7
e5f3
e5f7
e5c4
e5c6
e5g4
e5g6

## Board State Fen
4r1k1/5pbp/5np1/2p1N3/Q3P3/7P/1B1q1PP1/4R1K1 w - - 0 26
assistant
a4a1