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
f1e1
f1h1
f1g1
f1f2
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
f3f4
b4a5
b4b5
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6
h2h4
h2h3
c2c4
c2c3
g2g4
g2g3
c1d2
c1b2
c1b1

## Board State Fen
2r2rk1/1p3ppp/5n2/p1N5/1P6/5P2/2P3PP/2KR1R2 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
f1e1
f1h1
f1g1
f1f2
d1e1
d1d8
d1d7
d1d6
d1d5
d1d4
d1d3
d1d2
f3f4
b4a5
b4b5
c5b3
c5b7
c5d3
c5d7
c5a4
c5a6
c5e4
c5e6
h2h4
h2h3
c2c4
c2c3
g2g4
g2g3
c1d2
c1b2
c1b1

## Board State Fen
2r2rk1/1p3ppp/5n2/p1N5/1P6/5P2/2P3PP/2KR1R2 w - - 0 23
assistant
c5b7