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
b1f1
b1e1
b1d1
b1c1
h2h4
h2h3
g1h1
g1f1
a3a4
g2f1
g2f3
g2h1
g2h3
f2f4
f2f3
b2b4
b2b3
c3b5
c3d1
c3d5
c3a2
c3a4
c3e2
e3c1
e3d2
e3b6
e3c5
e3d4
e3h6
e3g5
e3f4
g3g4
e4e5

## Board State Fen
7r/p1k1bppp/1pb1p3/8/4P3/P1NnB1P1/1P3PBP/1R4K1 w - - 3 18
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
b1f1
b1e1
b1d1
b1c1
h2h4
h2h3
g1h1
g1f1
a3a4
g2f1
g2f3
g2h1
g2h3
f2f4
f2f3
b2b4
b2b3
c3b5
c3d1
c3d5
c3a2
c3a4
c3e2
e3c1
e3d2
e3b6
e3c5
e3d4
e3h6
e3g5
e3f4
g3g4
e4e5

## Board State Fen
7r/p1k1bppp/1pb1p3/8/4P3/P1NnB1P1/1P3PBP/1R4K1 w - - 3 18
assistant
f2f4