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
a1f1
a1e1
a1d1
a1c1
a1b1
a1a2
g1h2
g1h1
g1f1
b2b4
b2b3
g2f1
g2h1
a3a4
f3e1
f3e5
f3d2
f3d4
f3h2
f3h4
h3h4
e4e5
f4c1
f4d2
f4e3
f4b8
f4c7
f4d6
f4e5
f4h2
f4g3
g5g6

## Board State Fen
3rb1k1/1p3ppp/1pn1p3/2b3P1/4PB2/P4N1P/1P3PB1/R5K1 w - - 0 22
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
a1f1
a1e1
a1d1
a1c1
a1b1
a1a2
g1h2
g1h1
g1f1
b2b4
b2b3
g2f1
g2h1
a3a4
f3e1
f3e5
f3d2
f3d4
f3h2
f3h4
h3h4
e4e5
f4c1
f4d2
f4e3
f4b8
f4c7
f4d6
f4e5
f4h2
f4g3
g5g6

## Board State Fen
3rb1k1/1p3ppp/1pn1p3/2b3P1/4PB2/P4N1P/1P3PB1/R5K1 w - - 0 22
assistant
a1c1