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
b1a1
b1d1
b1c1
b1b8
b1b7
b1b6
b1b5
b1b4
b1b3
b1b2
e1c1
e1d1
e1f1
e1e3
e1e2
g1h1
g1f1
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
c3c4
a5b3
a5b7
a5c4
a5c6

## Board State Fen
r6r/2pk4/p1pp1n1p/N3p3/P3P3/2P5/5PPP/1R2R1K1 w - - 4 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
b1a1
b1d1
b1c1
b1b8
b1b7
b1b6
b1b5
b1b4
b1b3
b1b2
e1c1
e1d1
e1f1
e1e3
e1e2
g1h1
g1f1
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
c3c4
a5b3
a5b7
a5c4
a5c6

## Board State Fen
r6r/2pk4/p1pp1n1p/N3p3/P3P3/2P5/5PPP/1R2R1K1 w - - 4 23
assistant
f2f3