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
a1b1
a1a4
a1a3
a1a2
c1h6
c1g5
c1f4
c1e3
c1d2
d1h5
d1g4
d1f3
d1e2
d1d6
d1d5
d1d4
d1d3
d1d2
e1e3
e1e2
f1a6
f1b5
f1c4
f1d3
f1e2
g1h1
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b3c5
b3d2
b3d4
c3b1
c3b5
c3d5
c3a2
c3a4
c3e2

## Board State Fen
r2q1rk1/1p2bpp1/p2pbn1p/P1p1n3/4P3/1NN5/1PP2PPP/R1BQRBK1 w - - 2 13
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
a1b1
a1a4
a1a3
a1a2
c1h6
c1g5
c1f4
c1e3
c1d2
d1h5
d1g4
d1f3
d1e2
d1d6
d1d5
d1d4
d1d3
d1d2
e1e3
e1e2
f1a6
f1b5
f1c4
f1d3
f1e2
g1h1
f2f4
f2f3
g2g4
g2g3
h2h4
h2h3
b3c5
b3d2
b3d4
c3b1
c3b5
c3d5
c3a2
c3a4
c3e2

## Board State Fen
r2q1rk1/1p2bpp1/p2pbn1p/P1p1n3/4P3/1NN5/1PP2PPP/R1BQRBK1 w - - 2 13
assistant
f2f4